312916545 has 24 divisors (see below), whose sum is σ = 545992512. Its totient is φ = 165780000.

The previous prime is 312916531. The next prime is 312916561. The reversal of 312916545 is 545619213.

It is not a de Polignac number, because 312916545 - 2⁶ = 312916481 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16231 + ... + 29820.

It is an arithmetic number, because the mean of its divisors is an integer number (22749688).

Almost surely, 2^312916545 is an apocalyptic number.

It is an amenable number.

312916545 is a deficient number, since it is larger than the sum of its proper divisors (233075967).

312916545 is a wasteful number, since it uses less digits than its factorization.

312916545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46213 (or 46210 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 312916545 is about 17689.4472779677. The cubic root of 312916545 is about 678.9057841704.

The spelling of 312916545 in words is "three hundred twelve million, nine hundred sixteen thousand, five hundred forty-five".