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145663674 = 23134194457
BaseRepresentation
bin10001010111010…
…10011010111010
3101011002110222220
420223222122322
5244242214144
622242024510
73416056302
oct1053523272
9334073886
10145663674
1175250302
1240948136
1324241230
14154ba602
15cbc4919
hex8aea6ba

145663674 has 32 divisors (see below), whose sum is σ = 314556480. Its totient is φ = 44702592.

The previous prime is 145663657. The next prime is 145663681. The reversal of 145663674 is 476366541.

145663674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30454 + ... + 34910.

It is an arithmetic number, because the mean of its divisors is an integer number (9829890).

Almost surely, 2145663674 is an apocalyptic number.

145663674 is an abundant number, since it is smaller than the sum of its proper divisors (168892806).

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

145663674 is a wasteful number, since it uses less digits than its factorization.

145663674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894.

The product of its digits is 362880, while the sum is 42.

The square root of 145663674 is about 12069.1206804804. The cubic root of 145663674 is about 526.1591007195.

The spelling of 145663674 in words is "one hundred forty-five million, six hundred sixty-three thousand, six hundred seventy-four".

Divisors: 1 2 3 6 13 26 39 78 419 838 1257 2514 4457 5447 8914 10894 13371 16341 26742 32682 57941 115882 173823 347646 1867483 3734966 5602449 11204898 24277279 48554558 72831837 145663674