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145523032 = 2318190379
BaseRepresentation
bin10001010110010…
…00000101011000
3101010211100001221
420223020011120
5244223214112
622235021424
73414632254
oct1053100530
9333740057
10145523032
1175164676
124089a874
13241c2205
1415481264
15cb97e07
hex8ac8158

145523032 has 8 divisors (see below), whose sum is σ = 272855700. Its totient is φ = 72761512.

The previous prime is 145523029. The next prime is 145523039. The reversal of 145523032 is 230325541.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 145522988 and 145523006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145523039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9095182 + ... + 9095197.

Almost surely, 2145523032 is an apocalyptic number.

It is an amenable number.

145523032 is a deficient number, since it is larger than the sum of its proper divisors (127332668).

145523032 is a wasteful number, since it uses less digits than its factorization.

145523032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18190385 (or 18190381 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 145523032 is about 12063.2927511521. The cubic root of 145523032 is about 525.9897061699.

Adding to 145523032 its reverse (230325541), we get a palindrome (375848573).

The spelling of 145523032 in words is "one hundred forty-five million, five hundred twenty-three thousand, thirty-two".

Divisors: 1 2 4 8 18190379 36380758 72761516 145523032