313146645 has 32 divisors (see below), whose sum is σ = 577885440. Its totient is φ = 141834240.

The previous prime is 313146637. The next prime is 313146649. The reversal of 313146645 is 546641313.

It is not a de Polignac number, because 313146645 - 2³ = 313146637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313146649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2236 + ... + 25125.

It is an arithmetic number, because the mean of its divisors is an integer number (18058920).

Almost surely, 2^313146645 is an apocalyptic number.

313146645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

313146645 is a deficient number, since it is larger than the sum of its proper divisors (264738795).

313146645 is a wasteful number, since it uses less digits than its factorization.

313146645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27485.

The product of its digits is 25920, while the sum is 33.

The square root of 313146645 is about 17695.9499603723. The cubic root of 313146645 is about 679.0721522201.

Adding to 313146645 its reverse (546641313), we get a palindrome (859787958).

The spelling of 313146645 in words is "three hundred thirteen million, one hundred forty-six thousand, six hundred forty-five".