245345503153515 has 32 divisors (see below), whose sum is σ = 415645364243520. Its totient is φ = 123153460383744.

The previous prime is 245345503153507. The next prime is 245345503153537. The reversal of 245345503153515 is 515351305543542.

It is not a de Polignac number, because 245345503153515 - 2³ = 245345503153507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100110201 + ... + 102531669.

It is an arithmetic number, because the mean of its divisors is an integer number (12988917632610).

Almost surely, 2^{245345503153515} is an apocalyptic number.

245345503153515 is a deficient number, since it is larger than the sum of its proper divisors (170299861090005).

245345503153515 is a wasteful number, since it uses less digits than its factorization.

245345503153515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818831.

The product of its (nonzero) digits is 13500000, while the sum is 51.

The spelling of 245345503153515 in words is "two hundred forty-five trillion, three hundred forty-five billion, five hundred three million, one hundred fifty-three thousand, five hundred fifteen".