245156730129 has 24 divisors (see below), whose sum is σ = 359960164200. Its totient is φ = 160740771840.

The previous prime is 245156730113. The next prime is 245156730131. The reversal of 245156730129 is 921037651542.

245156730129 is a `hidden beast` number, since 2 + 4 + 51 + 567 + 30 + 1 + 2 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6138409104 + 239018321025 = 78348^2 + 488895^2 .

It is not a de Polignac number, because 245156730129 - 2⁴ = 245156730113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245156730149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6552327 + ... + 6589635.

It is an arithmetic number, because the mean of its divisors is an integer number (14998340175).

Almost surely, 2^245156730129 is an apocalyptic number.

It is an amenable number.

245156730129 is a deficient number, since it is larger than the sum of its proper divisors (114803434071).

245156730129 is a wasteful number, since it uses less digits than its factorization.

245156730129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49345 (or 49342 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 245156730129 in words is "two hundred forty-five billion, one hundred fifty-six million, seven hundred thirty thousand, one hundred twenty-nine".