45225632 has 12 divisors (see below), whose sum is σ = 89038026. Its totient is φ = 22612800.

The previous prime is 45225629. The next prime is 45225641. The reversal of 45225632 is 23652254.

It can be written as a sum of positive squares in only one way, i.e., 45212176 + 13456 = 6724^2 + 116^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45225595 and 45225604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706619 + ... + 706682.

Almost surely, 2^45225632 is an apocalyptic number.

It is an amenable number.

45225632 is a deficient number, since it is larger than the sum of its proper divisors (43812394).

45225632 is a wasteful number, since it uses less digits than its factorization.

45225632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413311 (or 1413303 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 45225632 is about 6725.0005204461. Note that the first 3 decimals coincide. The cubic root of 45225632 is about 356.2828203270.

Adding to 45225632 its reverse (23652254), we get a palindrome (68877886).

The spelling of 45225632 in words is "forty-five million, two hundred twenty-five thousand, six hundred thirty-two".