345342294 has 48 divisors (see below), whose sum is σ = 842609664. Its totient is φ = 101271600.

The previous prime is 345342287. The next prime is 345342311. The reversal of 345342294 is 492243543.

345342294 is a `hidden beast` number, since 34 + 534 + 2 + 2 + 94 = 666.

It is a super-2 number, since 2×345342294² = 238522600050364872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21994 + ... + 34269.

It is an arithmetic number, because the mean of its divisors is an integer number (17554368).

Almost surely, 2^345342294 is an apocalyptic number.

345342294 is an abundant number, since it is smaller than the sum of its proper divisors (497267370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345342294 is a wasteful number, since it uses less digits than its factorization.

345342294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56313 (or 56310 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 345342294 is about 18583.3875813857. The cubic root of 345342294 is about 701.5897839555.

The spelling of 345342294 in words is "three hundred forty-five million, three hundred forty-two thousand, two hundred ninety-four".