172652144 has 40 divisors (see below), whose sum is σ = 394641408. Its totient is φ = 71605440.

The previous prime is 172652131. The next prime is 172652147. The reversal of 172652144 is 441256271.

It is a self number, because there is not a number n which added to its sum of digits gives 172652144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172652147) by changing a digit.

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, 21392 + ... + 28335.

Almost surely, 2^172652144 is an apocalyptic number.

172652144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

172652144 is an abundant number, since it is smaller than the sum of its proper divisors (221989264).

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

172652144 is a wasteful number, since it uses less digits than its factorization.

172652144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49773 (or 49767 counting only the distinct ones).

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

The square root of 172652144 is about 13139.7162830862. The cubic root of 172652144 is about 556.8317520262.

The spelling of 172652144 in words is "one hundred seventy-two million, six hundred fifty-two thousand, one hundred forty-four".