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144730692 = 223331139311
BaseRepresentation
bin10001010000001…
…10101001000100
3101002100002012000
420220012221010
5244022340232
622210025300
73405122241
oct1050065104
9332302160
10144730692
1174773347
1240578230
1323ca5682
14153165c8
15ca8d27c
hex8a06a44

144730692 has 96 divisors (see below), whose sum is σ = 391372800. Its totient is φ = 46202400.

The previous prime is 144730687. The next prime is 144730709. The reversal of 144730692 is 296037441.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465217 + ... + 465527.

It is an arithmetic number, because the mean of its divisors is an integer number (4076800).

Almost surely, 2144730692 is an apocalyptic number.

144730692 is a gapful number since it is divisible by the number (12) 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 144730692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195686400).

144730692 is an abundant number, since it is smaller than the sum of its proper divisors (246642108).

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

144730692 is a wasteful number, since it uses less digits than its factorization.

144730692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 144730692 is about 12030.4069756596. The cubic root of 144730692 is about 525.0333366586.

The spelling of 144730692 in words is "one hundred forty-four million, seven hundred thirty thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 31 36 54 62 93 108 124 139 186 278 279 311 372 417 556 558 622 834 837 933 1116 1244 1251 1668 1674 1866 2502 2799 3348 3732 3753 4309 5004 5598 7506 8397 8618 9641 11196 12927 15012 16794 17236 19282 25854 28923 33588 38564 38781 43229 51708 57846 77562 86458 86769 115692 116343 129687 155124 172916 173538 232686 259374 260307 347076 389061 465372 518748 520614 778122 1041228 1167183 1340099 1556244 2334366 2680198 4020297 4668732 5360396 8040594 12060891 16081188 24121782 36182673 48243564 72365346 144730692