457435042 has 4 divisors (see below), whose sum is σ = 686152566. Its totient is φ = 228717520.

The previous prime is 457435019. The next prime is 457435061. The reversal of 457435042 is 240534754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 422754721 + 34680321 = 20561^2 + 5889^2 .

It is a junction number, because it is equal to n+sod(n) for n = 457434989 and 457435007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114358759 + ... + 114358762.

Almost surely, 2^457435042 is an apocalyptic number.

457435042 is a deficient number, since it is larger than the sum of its proper divisors (228717524).

457435042 is a wasteful number, since it uses less digits than its factorization.

457435042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228717523.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 457435042 is about 21387.7311092131. The cubic root of 457435042 is about 770.5068019062.

Adding to 457435042 its reverse (240534754), we get a palindrome (697969796).

The spelling of 457435042 in words is "four hundred fifty-seven million, four hundred thirty-five thousand, forty-two".