245700039 has 16 divisors (see below), whose sum is σ = 371369600. Its totient is φ = 143241696.

The previous prime is 245700023. The next prime is 245700101. The reversal of 245700039 is 930007542.

It is not a de Polignac number, because 245700039 - 2⁴ = 245700023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245699979 and 245700015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245700139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165049 + ... + 166530.

It is an arithmetic number, because the mean of its divisors is an integer number (23210600).

Almost surely, 2^245700039 is an apocalyptic number.

245700039 is a deficient number, since it is larger than the sum of its proper divisors (125669561).

245700039 is a wasteful number, since it uses less digits than its factorization.

245700039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331614.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 245700039 is about 15674.8218171691. The cubic root of 245700039 is about 626.3278767381.

The spelling of 245700039 in words is "two hundred forty-five million, seven hundred thousand, thirty-nine".