45012432 has 40 divisors (see below), whose sum is σ = 116537184. Its totient is φ = 14971264.

The previous prime is 45012427. The next prime is 45012433. The reversal of 45012432 is 23421054.

It is a super-2 number, since 2×45012432² = 4052238069109248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45012399 and 45012408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45012433) 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, 32098 + ... + 33470.

Almost surely, 2^45012432 is an apocalyptic number.

It is an amenable number.

45012432 is an abundant number, since it is smaller than the sum of its proper divisors (71524752).

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

45012432 is a wasteful number, since it uses less digits than its factorization.

45012432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067 (or 2061 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 45012432 is about 6709.1304950791. The cubic root of 45012432 is about 355.7220824683.

Adding to 45012432 its reverse (23421054), we get a palindrome (68433486).

The spelling of 45012432 in words is "forty-five million, twelve thousand, four hundred thirty-two".