345746842 has 12 divisors (see below), whose sum is σ = 603293130. Its totient is φ = 148177176.

The previous prime is 345746839. The next prime is 345746861. The reversal of 345746842 is 248647543.

It can be written as a sum of positive squares in only one way, i.e., 185749641 + 159997201 = 13629^2 + 12649^2 .

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, 1763917 + ... + 1764112.

Almost surely, 2^345746842 is an apocalyptic number.

345746842 is a deficient number, since it is larger than the sum of its proper divisors (257546288).

345746842 is a wasteful number, since it uses less digits than its factorization.

345746842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528045 (or 3528038 counting only the distinct ones).

The product of its digits is 645120, while the sum is 43.

The square root of 345746842 is about 18594.2690633431. The cubic root of 345746842 is about 701.8636339803.

The spelling of 345746842 in words is "three hundred forty-five million, seven hundred forty-six thousand, eight hundred forty-two".