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145350411440 = 24513250355837
BaseRepresentation
bin1000011101011110001…
…1110100010010110000
3111220011201102221102212
42013113203310102300
54340134201131230
6150434551431252
713333630053323
oct2072743642260
9456151387385
10145350411440
1156708577483
1224205685528
13109251bc120
14706c0667ba
153baa7e3895
hex21d78f44b0

145350411440 has 80 divisors (see below), whose sum is σ = 364086988608. Its totient is φ = 53645442048.

The previous prime is 145350411421. The next prime is 145350411449. The reversal of 145350411440 is 44114053541.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1453504114402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145350411397 and 145350411406.

It is not an unprimeable number, because it can be changed into a prime (145350411449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2575202 + ... + 2631038.

Almost surely, 2145350411440 is an apocalyptic number.

145350411440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145350411440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182043494304).

145350411440 is an abundant number, since it is smaller than the sum of its proper divisors (218736577168).

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

145350411440 is a wasteful number, since it uses less digits than its factorization.

145350411440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58366 (or 58360 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 145350411440 its reverse (44114053541), we get a palindrome (189464464981).

The spelling of 145350411440 in words is "one hundred forty-five billion, three hundred fifty million, four hundred eleven thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 2503 5006 10012 12515 20024 25030 32539 40048 50060 55837 65078 100120 111674 130156 162695 200240 223348 260312 279185 325390 446696 520624 558370 650780 725881 893392 1116740 1301560 1451762 2233480 2603120 2903524 3629405 4466960 5807048 7258810 11614096 14517620 29035240 58070480 139760011 279520022 559040044 698800055 1118080088 1397600110 1816880143 2236160176 2795200220 3633760286 5590400440 7267520572 9084400715 11180800880 14535041144 18168801430 29070082288 36337602860 72675205720 145350411440