245135172 has 24 divisors (see below), whose sum is σ = 605628576. Its totient is φ = 76905088.

The previous prime is 245135171. The next prime is 245135179. The reversal of 245135172 is 271531542.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (245135171) 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, 600618 + ... + 601025.

It is an arithmetic number, because the mean of its divisors is an integer number (25234524).

Almost surely, 2^245135172 is an apocalyptic number.

It is an amenable number.

245135172 is an abundant number, since it is smaller than the sum of its proper divisors (360493404).

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

245135172 is a wasteful number, since it uses less digits than its factorization.

245135172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201667 (or 1201665 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 245135172 is about 15656.7931582428. The cubic root of 245135172 is about 625.8475302950.

The spelling of 245135172 in words is "two hundred forty-five million, one hundred thirty-five thousand, one hundred seventy-two".