45120532 has 6 divisors (see below), whose sum is σ = 78960938. Its totient is φ = 22560264.

The previous prime is 45120527. The next prime is 45120587. The reversal of 45120532 is 23502154.

It can be written as a sum of positive squares in only one way, i.e., 45104656 + 15876 = 6716^2 + 126^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640063 + ... + 5640070.

Almost surely, 2^45120532 is an apocalyptic number.

It is an amenable number.

45120532 is a deficient number, since it is larger than the sum of its proper divisors (33840406).

45120532 is a wasteful number, since it uses less digits than its factorization.

45120532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11280137 (or 11280135 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45120532 is about 6717.1818495557. The cubic root of 45120532 is about 356.0066173075.

Adding to 45120532 its reverse (23502154), we get a palindrome (68622686).

The spelling of 45120532 in words is "forty-five million, one hundred twenty thousand, five hundred thirty-two".