245030456474138 has 16 divisors (see below), whose sum is σ = 368738794248576. Its totient is φ = 122118148908000.

The previous prime is 245030456474123. The next prime is 245030456474149. The reversal of 245030456474138 is 831474654030542.

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, 155176331 + ... + 156747422.

It is an arithmetic number, because the mean of its divisors is an integer number (23046174640536).

Almost surely, 2^{245030456474138} is an apocalyptic number.

245030456474138 is a deficient number, since it is larger than the sum of its proper divisors (123708337774438).

245030456474138 is a wasteful number, since it uses less digits than its factorization.

245030456474138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311925029.

The product of its (nonzero) digits is 38707200, while the sum is 56.

The spelling of 245030456474138 in words is "two hundred forty-five trillion, thirty billion, four hundred fifty-six million, four hundred seventy-four thousand, one hundred thirty-eight".