172455048 has 32 divisors (see below), whose sum is σ = 479042400. Its totient is φ = 57484944.

The previous prime is 172455047. The next prime is 172455097. The reversal of 172455048 is 840554271.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (172455047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398986 + ... + 399417.

It is an arithmetic number, because the mean of its divisors is an integer number (14970075).

Almost surely, 2^172455048 is an apocalyptic number.

172455048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

172455048 is an abundant number, since it is smaller than the sum of its proper divisors (306587352).

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

172455048 is a wasteful number, since it uses less digits than its factorization.

172455048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798418 (or 798408 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 172455048 is about 13132.2141316687. The cubic root of 172455048 is about 556.6197822673.

The spelling of 172455048 in words is "one hundred seventy-two million, four hundred fifty-five thousand, forty-eight".