342645775 has 6 divisors (see below), whose sum is σ = 424880792. Its totient is φ = 274116600.

The previous prime is 342645769. The next prime is 342645781. The reversal of 342645775 is 577546243.

It is an interprime number because it is at equal distance from previous prime (342645769) and next prime (342645781).

It is not a de Polignac number, because 342645775 - 2¹⁷ = 342514703 is a prime.

It is a super-2 number, since 2×342645775² = 234812254250701250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6852891 + ... + 6852940.

Almost surely, 2^342645775 is an apocalyptic number.

342645775 is a deficient number, since it is larger than the sum of its proper divisors (82235017).

342645775 is a wasteful number, since it uses less digits than its factorization.

342645775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13705841 (or 13705836 counting only the distinct ones).

The product of its digits is 705600, while the sum is 43.

The square root of 342645775 is about 18510.6935310377. The cubic root of 342645775 is about 699.7589476128.

The spelling of 342645775 in words is "three hundred forty-two million, six hundred forty-five thousand, seven hundred seventy-five".