45032232 has 32 divisors (see below), whose sum is σ = 128664000. Its totient is φ = 12866304.

The previous prime is 45032209. The next prime is 45032263. The reversal of 45032232 is 23223054.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 45032199 and 45032208.

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, 133857 + ... + 134192.

It is an arithmetic number, because the mean of its divisors is an integer number (4020750).

Almost surely, 2^45032232 is an apocalyptic number.

45032232 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45032232 is an abundant number, since it is smaller than the sum of its proper divisors (83631768).

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

45032232 is a wasteful number, since it uses less digits than its factorization.

45032232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268065 (or 268061 counting only the distinct ones).

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

The square root of 45032232 is about 6710.6059338930. The cubic root of 45032232 is about 355.7742329850.

Adding to 45032232 its reverse (23223054), we get a palindrome (68255286).

The spelling of 45032232 in words is "forty-five million, thirty-two thousand, two hundred thirty-two".