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145707652 = 2252336961
BaseRepresentation
bin10001010111101…
…01001010000100
3101011011201022201
420223311022010
5244300121102
622243004244
73416331436
oct1053651204
9334151281
10145707652
1175280352
1240969684
132425825c
14154cc656
15cbd2987
hex8af5284

145707652 has 12 divisors (see below), whose sum is σ = 255073756. Its totient is φ = 72829440.

The previous prime is 145707649. The next prime is 145707659. The reversal of 145707652 is 256707541.

It can be written as a sum of positive squares in 2 ways, for example, as 129595456 + 16112196 = 11384^2 + 4014^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (145707659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17452 + ... + 24412.

Almost surely, 2145707652 is an apocalyptic number.

It is an amenable number.

145707652 is a deficient number, since it is larger than the sum of its proper divisors (109366104).

145707652 is a wasteful number, since it uses less digits than its factorization.

145707652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12198 (or 12196 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 145707652 is about 12070.9424652759. The cubic root of 145707652 is about 526.2120471084.

It can be divided in two parts, 14570 and 7652, that added together give a palindrome (22222).

The spelling of 145707652 in words is "one hundred forty-five million, seven hundred seven thousand, six hundred fifty-two".

Divisors: 1 2 4 5233 6961 10466 13922 20932 27844 36426913 72853826 145707652