45432120 has 32 divisors (see below), whose sum is σ = 136296720. Its totient is φ = 12115200.

The previous prime is 45432103. The next prime is 45432131. The reversal of 45432120 is 2123454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189181 + ... + 189420.

Almost surely, 2^45432120 is an apocalyptic number.

45432120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45432120 is an abundant number, since it is smaller than the sum of its proper divisors (90864600).

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

45432120 is a wasteful number, since it uses less digits than its factorization.

45432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378615 (or 378611 counting only the distinct ones).

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

The square root of 45432120 is about 6740.3353032323. The cubic root of 45432120 is about 356.8242275102.

Adding to 45432120 its reverse (2123454), we get a palindrome (47555574).

The spelling of 45432120 in words is "forty-five million, four hundred thirty-two thousand, one hundred twenty".