345542634 has 12 divisors (see below), whose sum is σ = 748675746. Its totient is φ = 115180872.

The previous prime is 345542599. The next prime is 345542657. The reversal of 345542634 is 436245543.

345542634 is a `hidden beast` number, since 345 + 54 + 263 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 186404409 + 159138225 = 13653^2 + 12615^2 .

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, 9598389 + ... + 9598424.

Almost surely, 2^345542634 is an apocalyptic number.

345542634 is an abundant number, since it is smaller than the sum of its proper divisors (403133112).

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

345542634 is a wasteful number, since it uses less digits than its factorization.

345542634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19196821 (or 19196818 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 345542634 is about 18588.7770980234. Note that the first 3 decimals coincide. The cubic root of 345542634 is about 701.7254265036.

The spelling of 345542634 in words is "three hundred forty-five million, five hundred forty-two thousand, six hundred thirty-four".