342145456 has 20 divisors (see below), whose sum is σ = 663195400. Its totient is φ = 170998272.

The previous prime is 342145439. The next prime is 342145457. The reversal of 342145456 is 654541243.

It is a super-2 number, since 2×342145456² = 234127026122895872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342145457) by changing a digit.

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, 63475 + ... + 68653.

It is an arithmetic number, because the mean of its divisors is an integer number (33159770).

Almost surely, 2^342145456 is an apocalyptic number.

It is an amenable number.

342145456 is a deficient number, since it is larger than the sum of its proper divisors (321049944).

342145456 is a wasteful number, since it uses less digits than its factorization.

342145456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9316 (or 9310 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 342145456 is about 18497.1742706825. The cubic root of 342145456 is about 699.4181941163.

Adding to 342145456 its reverse (654541243), we get a palindrome (996686699).

The spelling of 342145456 in words is "three hundred forty-two million, one hundred forty-five thousand, four hundred fifty-six".