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145292524 = 22137573691
BaseRepresentation
bin10001010100011…
…11110011101100
3101010101121212121
420222033303230
5244143330044
622230042324
73412652236
oct1052176354
9333347777
10145292524
1175017473
12407a93a4
1324141310
1415421256
15cb4e984
hex8a8fcec

145292524 has 24 divisors (see below), whose sum is σ = 274256528. Its totient is φ = 66951360.

The previous prime is 145292519. The next prime is 145292527. The reversal of 145292524 is 425292541.

It is a happy number.

It is a super-2 number, since 2×1452925242 = 42219835060581152, which contains 22 as substring.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 145292524.

It is not an unprimeable number, because it can be changed into a prime (145292527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37519 + ... + 41209.

Almost surely, 2145292524 is an apocalyptic number.

It is an amenable number.

145292524 is a deficient number, since it is larger than the sum of its proper divisors (128964004).

145292524 is a wasteful number, since it uses less digits than its factorization.

145292524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465 (or 4463 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 145292524 is about 12053.7348568815. The cubic root of 145292524 is about 525.7118374205.

The spelling of 145292524 in words is "one hundred forty-five million, two hundred ninety-two thousand, five hundred twenty-four".

Divisors: 1 2 4 13 26 52 757 1514 3028 3691 7382 9841 14764 19682 39364 47983 95966 191932 2794087 5588174 11176348 36323131 72646262 145292524