318875437145 has 8 divisors (see below), whose sum is σ = 385218649800. Its totient is φ = 253388266240.

The previous prime is 318875437121. The next prime is 318875437147. The reversal of 318875437145 is 541734578813.

It can be written as a sum of positive squares in 4 ways, for example, as 16882324624 + 301993112521 = 129932^2 + 549539^2 .

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

It is not a de Polignac number, because 318875437145 - 2³⁸ = 43997530201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (318875437147) 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, 214009616 + ... + 214011105.

It is an arithmetic number, because the mean of its divisors is an integer number (48152331225).

Almost surely, 2^318875437145 is an apocalyptic number.

It is an amenable number.

318875437145 is a deficient number, since it is larger than the sum of its proper divisors (66343212655).

318875437145 is a wasteful number, since it uses less digits than its factorization.

318875437145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428020875.

The product of its digits is 11289600, while the sum is 56.

The spelling of 318875437145 in words is "three hundred eighteen billion, eight hundred seventy-five million, four hundred thirty-seven thousand, one hundred forty-five".