63457156 has 27 divisors (see below), whose sum is σ = 129408069. Its totient is φ = 27148128.

The previous prime is 63457153. The next prime is 63457171. The reversal of 63457156 is 65175436.

The square root of 63457156 is 7966.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10458756 + 52998400 = 3234^2 + 7280^2 .

It is not an unprimeable number, because it can be changed into a prime (63457153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 111240 + ... + 111808.

Almost surely, 2^63457156 is an apocalyptic number.

63457156 is the 7966-th square number.

It is an amenable number.

63457156 is an abundant number, since it is smaller than the sum of its proper divisors (65950913).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63457156 is an equidigital number, since it uses as much as digits as its factorization.

63457156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 578 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The cubic root of 63457156 is about 398.8658623688.

The spelling of 63457156 in words is "sixty-three million, four hundred fifty-seven thousand, one hundred fifty-six".