172463153 has 4 divisors (see below), whose sum is σ = 176473968. Its totient is φ = 168452340.

The previous prime is 172463149. The next prime is 172463173. The reversal of 172463153 is 351364271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 351364271 = 79 ⋅4447649.

It is a cyclic number.

It is not a de Polignac number, because 172463153 - 2² = 172463149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172463143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005343 + ... + 2005428.

It is an arithmetic number, because the mean of its divisors is an integer number (44118492).

Almost surely, 2^172463153 is an apocalyptic number.

It is an amenable number.

172463153 is a deficient number, since it is larger than the sum of its proper divisors (4010815).

172463153 is an equidigital number, since it uses as much as digits as its factorization.

172463153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010814.

The product of its digits is 15120, while the sum is 32.

The square root of 172463153 is about 13132.5227203306. The cubic root of 172463153 is about 556.6285020907.

The spelling of 172463153 in words is "one hundred seventy-two million, four hundred sixty-three thousand, one hundred fifty-three".