63145316 has 12 divisors (see below), whose sum is σ = 119004732. Its totient is φ = 29143968.

The previous prime is 63145307. The next prime is 63145319. The reversal of 63145316 is 61354136.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9796900 + 53348416 = 3130^2 + 7304^2 .

It is not an unprimeable number, because it can be changed into a prime (63145319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607115 + ... + 607218.

It is an arithmetic number, because the mean of its divisors is an integer number (9917061).

Almost surely, 2^63145316 is an apocalyptic number.

It is an amenable number.

63145316 is a deficient number, since it is larger than the sum of its proper divisors (55859416).

63145316 is a wasteful number, since it uses less digits than its factorization.

63145316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214350 (or 1214348 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 63145316 is about 7946.4027081441. The cubic root of 63145316 is about 398.2114227319.

The spelling of 63145316 in words is "sixty-three million, one hundred forty-five thousand, three hundred sixteen".