172144363 has 8 divisors (see below), whose sum is σ = 186716880. Its totient is φ = 158065920.

The previous prime is 172144339. The next prime is 172144367. The reversal of 172144363 is 363441271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172144363 - 2⁵ = 172144331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172144367) 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, 122793 + ... + 124186.

It is an arithmetic number, because the mean of its divisors is an integer number (23339610).

Almost surely, 2^172144363 is an apocalyptic number.

172144363 is a deficient number, since it is larger than the sum of its proper divisors (14572517).

172144363 is a wasteful number, since it uses less digits than its factorization.

172144363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247037.

The product of its digits is 12096, while the sum is 31.

The square root of 172144363 is about 13120.3796820062. The cubic root of 172144363 is about 556.2853233807.

The spelling of 172144363 in words is "one hundred seventy-two million, one hundred forty-four thousand, three hundred sixty-three".