318302145 has 48 divisors (see below), whose sum is σ = 632241792. Its totient is φ = 145117440.

The previous prime is 318302137. The next prime is 318302177. The reversal of 318302145 is 541203813.

It is a happy number.

318302145 is a `hidden beast` number, since 318 + 302 + 1 + 45 = 666.

It is not a de Polignac number, because 318302145 - 2³ = 318302137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138405 + ... + 140685.

It is an arithmetic number, because the mean of its divisors is an integer number (13171704).

Almost surely, 2^318302145 is an apocalyptic number.

318302145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

318302145 is a deficient number, since it is larger than the sum of its proper divisors (313939647).

318302145 is a wasteful number, since it uses less digits than its factorization.

318302145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 318302145 is about 17841.0242138729. The cubic root of 318302145 is about 682.7785281882.

Adding to 318302145 its reverse (541203813), we get a palindrome (859505958).

The spelling of 318302145 in words is "three hundred eighteen million, three hundred two thousand, one hundred forty-five".