457420146 has 16 divisors (see below), whose sum is σ = 915096000. Its totient is φ = 152430768.

The previous prime is 457420133. The next prime is 457420147. The reversal of 457420146 is 641024754.

It is a super-2 number, since 2×457420146² = 418466379933322632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (457420147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18915 + ... + 35673.

It is an arithmetic number, because the mean of its divisors is an integer number (57193500).

Almost surely, 2^457420146 is an apocalyptic number.

457420146 is an abundant number, since it is smaller than the sum of its proper divisors (457675854).

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

457420146 is a wasteful number, since it uses less digits than its factorization.

457420146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21313.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 457420146 is about 21387.3828693461. The cubic root of 457420146 is about 770.4984381730.

The spelling of 457420146 in words is "four hundred fifty-seven million, four hundred twenty thousand, one hundred forty-six".