315148195448 has 32 divisors (see below), whose sum is σ = 626018025600. Its totient is φ = 148220608512.

The previous prime is 315148195421. The next prime is 315148195457. The reversal of 315148195448 is 844591841513.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 315148195448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419465 + ... + 897912.

It is an arithmetic number, because the mean of its divisors is an integer number (19563063300).

Almost surely, 2^315148195448 is an apocalyptic number.

It is an amenable number.

315148195448 is a deficient number, since it is larger than the sum of its proper divisors (310869830152).

315148195448 is a wasteful number, since it uses less digits than its factorization.

315148195448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319159 (or 1319155 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 53.

The spelling of 315148195448 in words is "three hundred fifteen billion, one hundred forty-eight million, one hundred ninety-five thousand, four hundred forty-eight".