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145530124 = 22166921799
BaseRepresentation
bin10001010110010…
…01110100001100
3101010211200210121
420223021310030
5244223430444
622235114324
73414662035
oct1053116414
9333750717
10145530124
1175169a33
12408a29a4
13241c54cc
1415483a8c
15cb9a084
hex8ac9d0c

145530124 has 12 divisors (see below), whose sum is σ = 254842000. Its totient is φ = 72718128.

The previous prime is 145530113. The next prime is 145530137. The reversal of 145530124 is 421035541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4224 + ... + 17575.

Almost surely, 2145530124 is an apocalyptic number.

It is an amenable number.

145530124 is a deficient number, since it is larger than the sum of its proper divisors (109311876).

145530124 is a wasteful number, since it uses less digits than its factorization.

145530124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23472 (or 23470 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 145530124 is about 12063.5866971643. The cubic root of 145530124 is about 525.9982506556.

Adding to 145530124 its reverse (421035541), we get a palindrome (566565665).

The spelling of 145530124 in words is "one hundred forty-five million, five hundred thirty thousand, one hundred twenty-four".

Divisors: 1 2 4 1669 3338 6676 21799 43598 87196 36382531 72765062 145530124