342000457 has 4 divisors (see below), whose sum is σ = 349954000. Its totient is φ = 334046916.

The previous prime is 342000433. The next prime is 342000473. The reversal of 342000457 is 754000243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342000457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342000427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3976707 + ... + 3976792.

It is an arithmetic number, because the mean of its divisors is an integer number (87488500).

Almost surely, 2^342000457 is an apocalyptic number.

It is an amenable number.

342000457 is a deficient number, since it is larger than the sum of its proper divisors (7953543).

342000457 is an equidigital number, since it uses as much as digits as its factorization.

342000457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7953542.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 342000457 is about 18493.2543647677. The cubic root of 342000457 is about 699.3193772080.

The spelling of 342000457 in words is "three hundred forty-two million, four hundred fifty-seven", and thus it is an aban number.