345985057 has 8 divisors (see below), whose sum is σ = 377804160. Its totient is φ = 314226960.

The previous prime is 345985049. The next prime is 345985061. The reversal of 345985057 is 750589543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345985057 - 2³ = 345985049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345984998 and 345985016.

It is not an unprimeable number, because it can be changed into a prime (345985357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2953 + ... + 26470.

It is an arithmetic number, because the mean of its divisors is an integer number (47225520).

Almost surely, 2^345985057 is an apocalyptic number.

It is an amenable number.

345985057 is a deficient number, since it is larger than the sum of its proper divisors (31819103).

345985057 is a wasteful number, since it uses less digits than its factorization.

345985057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30503.

The product of its (nonzero) digits is 756000, while the sum is 46.

The square root of 345985057 is about 18600.6735630729. The cubic root of 345985057 is about 702.0247885609.

The spelling of 345985057 in words is "three hundred forty-five million, nine hundred eighty-five thousand, fifty-seven".