45132456 has 64 divisors (see below), whose sum is σ = 116867520. Its totient is φ = 14515200.

The previous prime is 45132443. The next prime is 45132481. The reversal of 45132456 is 65423154.

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 in 15 ways as a sum of consecutive naturals, for example, 104016 + ... + 104448.

It is an arithmetic number, because the mean of its divisors is an integer number (1826055).

Almost surely, 2^45132456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45132456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58433760).

45132456 is an abundant number, since it is smaller than the sum of its proper divisors (71735064).

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

45132456 is a wasteful number, since it uses less digits than its factorization.

45132456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 582 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 45132456 is about 6718.0693655246. The cubic root of 45132456 is about 356.0379751604.

The spelling of 45132456 in words is "forty-five million, one hundred thirty-two thousand, four hundred fifty-six".