345791057 has 4 divisors (see below), whose sum is σ = 348081216. Its totient is φ = 343500900.

The previous prime is 345791021. The next prime is 345791059. The reversal of 345791057 is 750197543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345791057 - 2⁸ = 345790801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345791059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144853 + ... + 1145154.

It is an arithmetic number, because the mean of its divisors is an integer number (87020304).

Almost surely, 2^345791057 is an apocalyptic number.

It is an amenable number.

345791057 is a deficient number, since it is larger than the sum of its proper divisors (2290159).

345791057 is a wasteful number, since it uses less digits than its factorization.

345791057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290158.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 345791057 is about 18595.4579669338. The cubic root of 345791057 is about 701.8935514170.

The spelling of 345791057 in words is "three hundred forty-five million, seven hundred ninety-one thousand, fifty-seven".