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145674342 = 233111032381
BaseRepresentation
bin10001010111011…
…01000001100110
3101011010000122000
420223231001212
5244243034332
622242150130
73416132352
oct1053550146
9334100560
10145674342
1175258320
1240952346
1324246048
14154c0462
15cbc7b7c
hex8aed066

145674342 has 64 divisors (see below), whose sum is σ = 356728320. Its totient is φ = 43696800.

The previous prime is 145674329. The next prime is 145674359. The reversal of 145674342 is 243476541.

145674342 is a `hidden beast` number, since 14 + 567 + 43 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 145674297 and 145674306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59992 + ... + 62372.

It is an arithmetic number, because the mean of its divisors is an integer number (5573880).

Almost surely, 2145674342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145674342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178364160).

145674342 is an abundant number, since it is smaller than the sum of its proper divisors (211053978).

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

145674342 is a wasteful number, since it uses less digits than its factorization.

145674342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506 (or 2500 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 145674342 is about 12069.5626267069. The cubic root of 145674342 is about 526.1719452128.

The spelling of 145674342 in words is "one hundred forty-five million, six hundred seventy-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 103 198 206 297 309 594 618 927 1133 1854 2266 2381 2781 3399 4762 5562 6798 7143 10197 14286 20394 21429 26191 30591 42858 52382 61182 64287 78573 128574 157146 235719 245243 471438 490486 707157 735729 1414314 1471458 2207187 2697673 4414374 5395346 6621561 8093019 13243122 16186038 24279057 48558114 72837171 145674342