45144132 has 36 divisors (see below), whose sum is σ = 115786608. Its totient is φ = 13679600.

The previous prime is 45144119. The next prime is 45144137. The reversal of 45144132 is 23144154.

It is not an unprimeable number, because it can be changed into a prime (45144137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14094 + ... + 16997.

Almost surely, 2^45144132 is an apocalyptic number.

It is an amenable number.

45144132 is an abundant number, since it is smaller than the sum of its proper divisors (70642476).

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

45144132 is a wasteful number, since it uses less digits than its factorization.

45144132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31120 (or 31107 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 45144132 is about 6718.9383089890. The cubic root of 45144132 is about 356.0686754688.

Adding to 45144132 its reverse (23144154), we get a palindrome (68288286).

It can be divided in two parts, 4514 and 4132, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 45144132 in words is "forty-five million, one hundred forty-four thousand, one hundred thirty-two".