315146146 has 12 divisors (see below), whose sum is σ = 549898038. Its totient is φ = 135062592.

The previous prime is 315146129. The next prime is 315146149. The reversal of 315146146 is 641641513.

It can be written as a sum of positive squares in only one way, i.e., 314885025 + 261121 = 17745^2 + 511^2 .

It is not an unprimeable number, because it can be changed into a prime (315146149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1607791 + ... + 1607986.

Almost surely, 2^315146146 is an apocalyptic number.

315146146 is a deficient number, since it is larger than the sum of its proper divisors (234751892).

315146146 is a wasteful number, since it uses less digits than its factorization.

315146146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215793 (or 3215786 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 315146146 is about 17752.3560689842. The cubic root of 315146146 is about 680.5144218706.

Adding to 315146146 its reverse (641641513), we get a palindrome (956787659).

The spelling of 315146146 in words is "three hundred fifteen million, one hundred forty-six thousand, one hundred forty-six".