316945144 has 24 divisors (see below), whose sum is σ = 631290240. Its totient is φ = 149149568.

The previous prime is 316945133. The next prime is 316945151. The reversal of 316945144 is 441549613.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66232 + ... + 70855.

It is an arithmetic number, because the mean of its divisors is an integer number (26303760).

Almost surely, 2^316945144 is an apocalyptic number.

316945144 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

316945144 is a deficient number, since it is larger than the sum of its proper divisors (314345096).

316945144 is a wasteful number, since it uses less digits than its factorization.

316945144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137127 (or 137106 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 316945144 is about 17802.9532381569. The cubic root of 316945144 is about 681.8068613145.

The spelling of 316945144 in words is "three hundred sixteen million, nine hundred forty-five thousand, one hundred forty-four".