173142912 has 32 divisors (see below), whose sum is σ = 459911880. Its totient is φ = 57714176.

The previous prime is 173142911. The next prime is 173142913. The reversal of 173142912 is 219241371.

It is an interprime number because it is at equal distance from previous prime (173142911) and next prime (173142913).

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 173142912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173142911) 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, 225063 + ... + 225830.

Almost surely, 2^173142912 is an apocalyptic number.

173142912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

173142912 is an abundant number, since it is smaller than the sum of its proper divisors (286768968).

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

173142912 is an equidigital number, since it uses as much as digits as its factorization.

173142912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450910 (or 450898 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 173142912 is about 13158.3780155458. The cubic root of 173142912 is about 557.3588555933.

The spelling of 173142912 in words is "one hundred seventy-three million, one hundred forty-two thousand, nine hundred twelve".