457543042 has 8 divisors (see below), whose sum is σ = 748706832. Its totient is φ = 207974100.

The previous prime is 457543039. The next prime is 457543069. The reversal of 457543042 is 240345754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×457543042² = 418691270565227528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 457542989 and 457543007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10398684 + ... + 10398727.

It is an arithmetic number, because the mean of its divisors is an integer number (93588354).

Almost surely, 2^457543042 is an apocalyptic number.

457543042 is a deficient number, since it is larger than the sum of its proper divisors (291163790).

457543042 is a wasteful number, since it uses less digits than its factorization.

457543042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20797424.

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

The square root of 457543042 is about 21390.2557721968. The cubic root of 457543042 is about 770.5674357878.

Adding to 457543042 its reverse (240345754), we get a palindrome (697888796).

The spelling of 457543042 in words is "four hundred fifty-seven million, five hundred forty-three thousand, forty-two".