172608453 has 12 divisors (see below), whose sum is σ = 253549920. Its totient is φ = 113121576.

The previous prime is 172608437. The next prime is 172608511. The reversal of 172608453 is 354806271.

172608453 is a `hidden beast` number, since 1 + 7 + 2 + 608 + 45 + 3 = 666.

172608453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172608453 - 2⁴ = 172608437 is a prime.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (172608253) 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, 162001 + ... + 163062.

It is an arithmetic number, because the mean of its divisors is an integer number (21129160).

Almost surely, 2^172608453 is an apocalyptic number.

It is an amenable number.

172608453 is a deficient number, since it is larger than the sum of its proper divisors (80941467).

172608453 is a wasteful number, since it uses less digits than its factorization.

172608453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325128 (or 325125 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 172608453 is about 13138.0536229687. The cubic root of 172608453 is about 556.7847778271.

The spelling of 172608453 in words is "one hundred seventy-two million, six hundred eight thousand, four hundred fifty-three".