172044243 has 36 divisors (see below), whose sum is σ = 299808600. Its totient is φ = 98304192.

The previous prime is 172044227. The next prime is 172044251. The reversal of 172044243 is 342440271.

172044243 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 172044243 - 2⁴ = 172044227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (172044263) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4683 + ... + 19131.

Almost surely, 2^172044243 is an apocalyptic number.

172044243 is a deficient number, since it is larger than the sum of its proper divisors (127764357).

172044243 is an equidigital number, since it uses as much as digits as its factorization.

172044243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14478 (or 14459 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 172044243 is about 13116.5636887105. The cubic root of 172044243 is about 556.1774563815.

The spelling of 172044243 in words is "one hundred seventy-two million, forty-four thousand, two hundred forty-three".