302457042 has 12 divisors (see below), whose sum is σ = 655323630. Its totient is φ = 100819008.

The previous prime is 302457019. The next prime is 302457083. The reversal of 302457042 is 240754203.

302457042 is a `hidden beast` number, since 30 + 24 + 570 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 272547081 + 29909961 = 16509^2 + 5469^2 .

It is a junction number, because it is equal to n+sod(n) for n = 302456997 and 302457015.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8401567 + ... + 8401602.

Almost surely, 2^302457042 is an apocalyptic number.

302457042 is an abundant number, since it is smaller than the sum of its proper divisors (352866588).

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

302457042 is a wasteful number, since it uses less digits than its factorization.

302457042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16803177 (or 16803174 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 302457042 is about 17391.2921314088. The cubic root of 302457042 is about 671.2555664676.

The spelling of 302457042 in words is "three hundred two million, four hundred fifty-seven thousand, forty-two".