45232032 has 48 divisors (see below), whose sum is σ = 119109312. Its totient is φ = 15029760.

The previous prime is 45232021. The next prime is 45232037. The reversal of 45232032 is 23023254.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (45232037) 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, 43357 + ... + 44387.

It is an arithmetic number, because the mean of its divisors is an integer number (2481444).

Almost surely, 2^45232032 is an apocalyptic number.

It is an amenable number.

45232032 is an abundant number, since it is smaller than the sum of its proper divisors (73877280).

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

45232032 is a wasteful number, since it uses less digits than its factorization.

45232032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 45232032 is about 6725.4763400074. The cubic root of 45232032 is about 356.2996257122.

Adding to 45232032 its reverse (23023254), we get a palindrome (68255286).

It can be divided in two parts, 4523 and 2032, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 45232032 in words is "forty-five million, two hundred thirty-two thousand, thirty-two".