457642158 has 16 divisors (see below), whose sum is σ = 916122960. Its totient is φ = 152407616.

The previous prime is 457642153. The next prime is 457642231. The reversal of 457642158 is 851246754.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457642153) 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, 27735 + ... + 41042.

It is an arithmetic number, because the mean of its divisors is an integer number (57257685).

Almost surely, 2^457642158 is an apocalyptic number.

457642158 is an abundant number, since it is smaller than the sum of its proper divisors (458480802).

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

457642158 is a wasteful number, since it uses less digits than its factorization.

457642158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69891.

The product of its digits is 268800, while the sum is 42.

The square root of 457642158 is about 21392.5724960791. The cubic root of 457642158 is about 770.6230735753.

The spelling of 457642158 in words is "four hundred fifty-seven million, six hundred forty-two thousand, one hundred fifty-eight".