342557455 has 4 divisors (see below), whose sum is σ = 411068952. Its totient is φ = 274045960.

The previous prime is 342557431. The next prime is 342557513. The reversal of 342557455 is 554755243.

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

It is not a de Polignac number, because 342557455 - 2⁹ = 342556943 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 34255741 + ... + 34255750.

It is an arithmetic number, because the mean of its divisors is an integer number (102767238).

Almost surely, 2^342557455 is an apocalyptic number.

342557455 is a deficient number, since it is larger than the sum of its proper divisors (68511497).

342557455 is an equidigital number, since it uses as much as digits as its factorization.

342557455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68511496.

The product of its digits is 420000, while the sum is 40.

The square root of 342557455 is about 18508.3077292334. The cubic root of 342557455 is about 699.6988194128.

The spelling of 342557455 in words is "three hundred forty-two million, five hundred fifty-seven thousand, four hundred fifty-five".