172451426 has 16 divisors (see below), whose sum is σ = 295834560. Its totient is φ = 73856880.

The previous prime is 172451399. The next prime is 172451441. The reversal of 172451426 is 624154271.

It is a junction number, because it is equal to n+sod(n) for n = 172451392 and 172451401.

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, 22745 + ... + 29363.

It is an arithmetic number, because the mean of its divisors is an integer number (18489660).

Almost surely, 2^172451426 is an apocalyptic number.

172451426 is a deficient number, since it is larger than the sum of its proper divisors (123383134).

172451426 is a wasteful number, since it uses less digits than its factorization.

172451426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8489.

The product of its digits is 13440, while the sum is 32.

The square root of 172451426 is about 13132.0762257916. The cubic root of 172451426 is about 556.6158854239.

The spelling of 172451426 in words is "one hundred seventy-two million, four hundred fifty-one thousand, four hundred twenty-six".