315144345550 has 24 divisors (see below), whose sum is σ = 586186981632. Its totient is φ = 126053760000.

The previous prime is 315144345547. The next prime is 315144345569. The reversal of 315144345550 is 55543441513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1897870 + ... + 2057230.

It is an arithmetic number, because the mean of its divisors is an integer number (24424457568).

Almost surely, 2^315144345550 is an apocalyptic number.

315144345550 is a deficient number, since it is larger than the sum of its proper divisors (271042636082).

315144345550 is a wasteful number, since it uses less digits than its factorization.

315144345550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198924 (or 198919 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 315144345550 in words is "three hundred fifteen billion, one hundred forty-four million, three hundred forty-five thousand, five hundred fifty".