457136244 has 24 divisors (see below), whose sum is σ = 1185168320. Its totient is φ = 152378712.

The previous prime is 457136213. The next prime is 457136249. The reversal of 457136244 is 442631754.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 457136199 and 457136208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457136249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116264 + ... + 2116479.

Almost surely, 2^457136244 is an apocalyptic number.

It is an amenable number.

457136244 is an abundant number, since it is smaller than the sum of its proper divisors (728032076).

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

457136244 is a wasteful number, since it uses less digits than its factorization.

457136244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232756 (or 4232748 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 457136244 is about 21380.7447017170. The cubic root of 457136244 is about 770.3389995470.

Adding to 457136244 its reverse (442631754), we get a palindrome (899767998).

The spelling of 457136244 in words is "four hundred fifty-seven million, one hundred thirty-six thousand, two hundred forty-four".