457997148 has 36 divisors (see below), whose sum is σ = 1323103600. Its totient is φ = 130856256.

The previous prime is 457997143. The next prime is 457997173. The reversal of 457997148 is 841799754.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×457997148² = 419522775152267808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 457997094 and 457997103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457997143) 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 11 ways as a sum of consecutive naturals, for example, 908473 + ... + 908976.

Almost surely, 2^457997148 is an apocalyptic number.

It is an amenable number.

457997148 is an abundant number, since it is smaller than the sum of its proper divisors (865106452).

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

457997148 is a wasteful number, since it uses less digits than its factorization.

457997148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817466 (or 1817461 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 457997148 is about 21400.8679263249. The cubic root of 457997148 is about 770.8222778202.

The spelling of 457997148 in words is "four hundred fifty-seven million, nine hundred ninety-seven thousand, one hundred forty-eight".