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145715562 = 23231436073
BaseRepresentation
bin10001010111101…
…11000101101010
3101011012010011200
420223313011222
5244300344222
622243105030
73416363466
oct1053670552
9334163150
10145715562
1175286293
1240972176
132425ba35
14154d14a6
15cbd4eac
hex8af716a

145715562 has 48 divisors (see below), whose sum is σ = 333535488. Its totient is φ = 45904320.

The previous prime is 145715539. The next prime is 145715627. The reversal of 145715562 is 265517541.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20958 + ... + 27030.

It is an arithmetic number, because the mean of its divisors is an integer number (6948656).

Almost surely, 2145715562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145715562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166767744).

145715562 is an abundant number, since it is smaller than the sum of its proper divisors (187819926).

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

145715562 is a wasteful number, since it uses less digits than its factorization.

145715562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155 (or 6152 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 145715562 is about 12071.2701071594. The cubic root of 145715562 is about 526.2215690562.

The spelling of 145715562 in words is "one hundred forty-five million, seven hundred fifteen thousand, five hundred sixty-two".

Divisors: 1 2 3 6 9 18 31 43 62 86 93 129 186 258 279 387 558 774 1333 2666 3999 6073 7998 11997 12146 18219 23994 36438 54657 109314 188263 261139 376526 522278 564789 783417 1129578 1566834 1694367 2350251 3388734 4700502 8095309 16190618 24285927 48571854 72857781 145715562