245130440523 has 8 divisors (see below), whose sum is σ = 329414135808. Its totient is φ = 162133519464.

The previous prime is 245130440507. The next prime is 245130440537. The reversal of 245130440523 is 325044031542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245130440523 - 2⁴ = 245130440507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245130440563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321693111 + ... + 321693872.

It is an arithmetic number, because the mean of its divisors is an integer number (41176766976).

Almost surely, 2^245130440523 is an apocalyptic number.

245130440523 is a deficient number, since it is larger than the sum of its proper divisors (84283695285).

245130440523 is a wasteful number, since it uses less digits than its factorization.

245130440523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643387113.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 245130440523 in words is "two hundred forty-five billion, one hundred thirty million, four hundred forty thousand, five hundred twenty-three".