245172735 has 12 divisors (see below), whose sum is σ = 424966152. Its totient is φ = 130758768.

The previous prime is 245172721. The next prime is 245172737. The reversal of 245172735 is 537271542.

It is not a de Polignac number, because 245172735 - 2⁵ = 245172703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245172735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245172737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2724097 + ... + 2724186.

It is an arithmetic number, because the mean of its divisors is an integer number (35413846).

Almost surely, 2^245172735 is an apocalyptic number.

245172735 is a deficient number, since it is larger than the sum of its proper divisors (179793417).

245172735 is a wasteful number, since it uses less digits than its factorization.

245172735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448294 (or 5448291 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 245172735 is about 15657.9926874424. The cubic root of 245172735 is about 625.8794956659.

The spelling of 245172735 in words is "two hundred forty-five million, one hundred seventy-two thousand, seven hundred thirty-five".