45423232 has 16 divisors (see below), whose sum is σ = 90491850. Its totient is φ = 22711552.

The previous prime is 45423227. The next prime is 45423263. The reversal of 45423232 is 23232454.

It can be written as a sum of positive squares in only one way, i.e., 40653376 + 4769856 = 6376^2 + 2184^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 45423197 and 45423206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177307 + ... + 177562.

Almost surely, 2^45423232 is an apocalyptic number.

It is an amenable number.

45423232 is a deficient number, since it is larger than the sum of its proper divisors (45068618).

45423232 is an equidigital number, since it uses as much as digits as its factorization.

45423232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354883 (or 354871 counting only the distinct ones).

The product of its digits is 5760, while the sum is 25.

The square root of 45423232 is about 6739.6759566021. The cubic root of 45423232 is about 356.8009571854.

Adding to 45423232 its reverse (23232454), we get a palindrome (68655686).

The spelling of 45423232 in words is "forty-five million, four hundred twenty-three thousand, two hundred thirty-two".