172224153 has 6 divisors (see below), whose sum is σ = 248768234. Its totient is φ = 114816096.

The previous prime is 172224139. The next prime is 172224163. The reversal of 172224153 is 351422271.

It can be written as a sum of positive squares in only one way, i.e., 155675529 + 16548624 = 12477^2 + 4068^2 .

It is not a de Polignac number, because 172224153 - 2¹³ = 172215961 is a prime.

It is a super-2 number, since 2×172224153² = 59322317753134818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172224163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9568000 + ... + 9568017.

Almost surely, 2^172224153 is an apocalyptic number.

It is an amenable number.

172224153 is a deficient number, since it is larger than the sum of its proper divisors (76544081).

172224153 is a wasteful number, since it uses less digits than its factorization.

172224153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19136023 (or 19136020 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 172224153 is about 13123.4200191871. The cubic root of 172224153 is about 556.3712573592.

The spelling of 172224153 in words is "one hundred seventy-two million, two hundred twenty-four thousand, one hundred fifty-three".