245112133044540 has 48 divisors (see below), whose sum is σ = 690423637059072. Its totient is φ = 64971838856256.

The previous prime is 245112133044511. The next prime is 245112133044577. The reversal of 245112133044540 is 45440331211542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12231134344 + ... + 12231154383.

It is an arithmetic number, because the mean of its divisors is an integer number (14383825772064).

Almost surely, 2^{245112133044540} is an apocalyptic number.

245112133044540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245112133044540 is an abundant number, since it is smaller than the sum of its proper divisors (445311504014532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245112133044540 is a wasteful number, since it uses less digits than its factorization.

245112133044540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24462288906 (or 24462288904 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 245112133044540 in words is "two hundred forty-five trillion, one hundred twelve billion, one hundred thirty-three million, forty-four thousand, five hundred forty".