245818130 has 16 divisors (see below), whose sum is σ = 468500760. Its totient is φ = 92543232.

The previous prime is 245818129. The next prime is 245818151. The reversal of 245818130 is 31818542.

245818130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 239042521 + 6775609 = 15461^2 + 2603^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722825 + ... + 723164.

Almost surely, 2^245818130 is an apocalyptic number.

245818130 is a deficient number, since it is larger than the sum of its proper divisors (222682630).

245818130 is a wasteful number, since it uses less digits than its factorization.

245818130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446013.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 245818130 is about 15678.5882655295. The cubic root of 245818130 is about 626.4282048170.

The spelling of 245818130 in words is "two hundred forty-five million, eight hundred eighteen thousand, one hundred thirty".