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144144332032 = 282921933469
BaseRepresentation
bin1000011000111110101…
…0111111010100000000
3111210001122222202112011
42012033222333110000
54330201422111112
6150115145142304
713262013414661
oct2061752772400
9453048882464
10144144332032
1156149799138
1223b2978a994
131079237977c
146d95bd3368
153b399a6aa7
hex218fabf500

144144332032 has 108 divisors (see below), whose sum is σ = 299619627580. Its totient is φ = 69206409216.

The previous prime is 144144332021. The next prime is 144144332041. The reversal of 144144332032 is 230233441441.

It can be written as a sum of positive squares in 6 ways, for example, as 23918478336 + 120225853696 = 154656^2 + 346736^2 .

It is a super-2 number, since 2×1441443320322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144144331985 and 144144332003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41550394 + ... + 41553862.

Almost surely, 2144144332032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144144332032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149809813790).

144144332032 is an abundant number, since it is smaller than the sum of its proper divisors (155475295548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144144332032 is an equidigital number, since it uses as much as digits as its factorization.

144144332032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736 (or 3693 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 144144332032 its reverse (230233441441), we get a palindrome (374377773473).

The spelling of 144144332032 in words is "one hundred forty-four billion, one hundred forty-four million, three hundred thirty-two thousand, thirty-two".

Divisors: 1 2 4 8 16 29 32 58 64 116 128 193 232 256 386 464 772 841 928 1544 1682 1856 3088 3364 3469 3712 5597 6176 6728 6938 7424 11194 12352 13456 13876 22388 24704 26912 27752 44776 49408 53824 55504 89552 100601 107648 111008 162313 179104 201202 215296 222016 324626 358208 402404 444032 649252 669517 716416 804808 888064 1298504 1339034 1432832 1609616 2597008 2678068 2917429 3219232 5194016 5356136 5834858 6438464 10388032 10712272 11669716 12876928 19415993 20776064 21424544 23339432 25753856 38831986 41552128 42849088 46678864 77663972 85698176 93357728 155327944 171396352 186715456 310655888 373430912 563063797 621311776 746861824 1126127594 1242623552 2252255188 2485247104 4504510376 4970494208 9009020752 18018041504 36036083008 72072166016 144144332032