63145450 has 24 divisors (see below), whose sum is σ = 121242240. Its totient is φ = 24442800.

The previous prime is 63145447. The next prime is 63145469. The reversal of 63145450 is 5454136.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18820 + ... + 21919.

It is an arithmetic number, because the mean of its divisors is an integer number (5051760).

Almost surely, 2^63145450 is an apocalyptic number.

63145450 is a deficient number, since it is larger than the sum of its proper divisors (58096790).

63145450 is a wasteful number, since it uses less digits than its factorization.

63145450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40782 (or 40777 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 63145450 is about 7946.4111396278. The cubic root of 63145450 is about 398.2117044117.

Adding to 63145450 its reverse (5454136), we get a palindrome (68599586).

The spelling of 63145450 in words is "sixty-three million, one hundred forty-five thousand, four hundred fifty".