455147172 has 36 divisors (see below), whose sum is σ = 1159581696. Its totient is φ = 150519600.

The previous prime is 455147159. The next prime is 455147179. The reversal of 455147172 is 271741554.

455147172 is a `hidden beast` number, since 4 + 5 + 514 + 71 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (455147179) 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, 45204 + ... + 54347.

Almost surely, 2^455147172 is an apocalyptic number.

It is an amenable number.

455147172 is an abundant number, since it is smaller than the sum of its proper divisors (704434524).

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

455147172 is a wasteful number, since it uses less digits than its factorization.

455147172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99688 (or 99683 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 455147172 is about 21334.1784936754. The cubic root of 455147172 is about 769.2200862321.

The spelling of 455147172 in words is "four hundred fifty-five million, one hundred forty-seven thousand, one hundred seventy-two".