345305754 has 20 divisors (see below), whose sum is σ = 773741034. Its totient is φ = 115101864.

The previous prime is 345305729. The next prime is 345305773. The reversal of 345305754 is 457503543.

345305754 is a `hidden beast` number, since 34 + 53 + 0 + 575 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 332150625 + 13155129 = 18225^2 + 3627^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1065597 + ... + 1065920.

Almost surely, 2^345305754 is an apocalyptic number.

345305754 is an abundant number, since it is smaller than the sum of its proper divisors (428435280).

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

345305754 is a wasteful number, since it uses less digits than its factorization.

345305754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131531 (or 2131522 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 36.

The square root of 345305754 is about 18582.4044192349. The cubic root of 345305754 is about 701.5650384635.

The spelling of 345305754 in words is "three hundred forty-five million, three hundred five thousand, seven hundred fifty-four".