245954172 has 12 divisors (see below), whose sum is σ = 573893096. Its totient is φ = 81984720.

The previous prime is 245954171. The next prime is 245954179. The reversal of 245954172 is 271459542.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 245954172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245954171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10248079 + ... + 10248102.

Almost surely, 2^245954172 is an apocalyptic number.

It is an amenable number.

245954172 is an abundant number, since it is smaller than the sum of its proper divisors (327938924).

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

245954172 is a wasteful number, since it uses less digits than its factorization.

245954172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20496188 (or 20496186 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 245954172 is about 15682.9261300307. The cubic root of 245954172 is about 626.5437439347.

The spelling of 245954172 in words is "two hundred forty-five million, nine hundred fifty-four thousand, one hundred seventy-two".