45132012 has 48 divisors (see below), whose sum is σ = 117381600. Its totient is φ = 14996160.

The previous prime is 45131993. The next prime is 45132041. The reversal of 45132012 is 21023154.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54562 + ... + 55382.

It is an arithmetic number, because the mean of its divisors is an integer number (2445450).

Almost surely, 2^45132012 is an apocalyptic number.

It is an amenable number.

45132012 is an abundant number, since it is smaller than the sum of its proper divisors (72249588).

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

45132012 is a wasteful number, since it uses less digits than its factorization.

45132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 45132012 is about 6718.0363202353. The cubic root of 45132012 is about 356.0368076238.

Adding to 45132012 its reverse (21023154), we get a palindrome (66155166).

The spelling of 45132012 in words is "forty-five million, one hundred thirty-two thousand, twelve".