345236645 has 16 divisors (see below), whose sum is σ = 446947200. Its totient is φ = 254489664.

The previous prime is 345236627. The next prime is 345236651. The reversal of 345236645 is 546632543.

It is a happy number.

It is not a de Polignac number, because 345236645 - 2²⁴ = 328459429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345236599 and 345236608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34502 + ... + 43368.

It is an arithmetic number, because the mean of its divisors is an integer number (27934200).

Almost surely, 2^345236645 is an apocalyptic number.

It is an amenable number.

345236645 is a deficient number, since it is larger than the sum of its proper divisors (101710555).

345236645 is a wasteful number, since it uses less digits than its factorization.

345236645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9484.

The product of its digits is 259200, while the sum is 38.

The square root of 345236645 is about 18580.5447982561. The cubic root of 345236645 is about 701.5182319328.

The spelling of 345236645 in words is "three hundred forty-five million, two hundred thirty-six thousand, six hundred forty-five".