45455172 has 24 divisors (see below), whose sum is σ = 121214016. Its totient is φ = 12987168.

The previous prime is 45455159. The next prime is 45455191. The reversal of 45455172 is 27155454.

45455172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270483 + ... + 270650.

It is an arithmetic number, because the mean of its divisors is an integer number (5050584).

Almost surely, 2^45455172 is an apocalyptic number.

45455172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45455172 is an abundant number, since it is smaller than the sum of its proper divisors (75758844).

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

45455172 is a wasteful number, since it uses less digits than its factorization.

45455172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541147 (or 541145 counting only the distinct ones).

The product of its digits is 28000, while the sum is 33.

The square root of 45455172 is about 6742.0450903268. The cubic root of 45455172 is about 356.8845675024.

The spelling of 45455172 in words is "forty-five million, four hundred fifty-five thousand, one hundred seventy-two".