245234501231555 has 64 divisors (see below), whose sum is σ = 326192979640320. Its totient is φ = 175509621936000.

The previous prime is 245234501231471. The next prime is 245234501231561. The reversal of 245234501231555 is 555132105432542.

245234501231555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-245234501231555 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1442886830 + ... + 1443056780.

It is an arithmetic number, because the mean of its divisors is an integer number (5096765306880).

Almost surely, 2^{245234501231555} is an apocalyptic number.

245234501231555 is a deficient number, since it is larger than the sum of its proper divisors (80958478408765).

245234501231555 is a wasteful number, since it uses less digits than its factorization.

245234501231555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171672.

The product of its (nonzero) digits is 3600000, while the sum is 47.

The spelling of 245234501231555 in words is "two hundred forty-five trillion, two hundred thirty-four billion, five hundred one million, two hundred thirty-one thousand, five hundred fifty-five".