45711232 has 64 divisors (see below), whose sum is σ = 110233440. Its totient is φ = 18432000.

The previous prime is 45711229. The next prime is 45711233. The reversal of 45711232 is 23211754.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 45711197 and 45711206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45711233) 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, 13732 + ... + 16732.

Almost surely, 2^45711232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45711232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55116720).

45711232 is an abundant number, since it is smaller than the sum of its proper divisors (64522208).

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

45711232 is a wasteful number, since it uses less digits than its factorization.

45711232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039 (or 3027 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 45711232 is about 6761.0082088399. The cubic root of 45711232 is about 357.5534521605.

Adding to 45711232 its reverse (23211754), we get a palindrome (68922986).

The spelling of 45711232 in words is "forty-five million, seven hundred eleven thousand, two hundred thirty-two".