345337091 has 16 divisors (see below), whose sum is σ = 381224448. Its totient is φ = 310221600.

The previous prime is 345337087. The next prime is 345337127. The reversal of 345337091 is 190733543.

It is a cyclic number.

It is not a de Polignac number, because 345337091 - 2² = 345337087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345337051) 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 15 ways as a sum of consecutive naturals, for example, 528521 + ... + 529173.

It is an arithmetic number, because the mean of its divisors is an integer number (23826528).

Almost surely, 2^345337091 is an apocalyptic number.

345337091 is a deficient number, since it is larger than the sum of its proper divisors (35887357).

345337091 is a wasteful number, since it uses less digits than its factorization.

345337091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 345337091 is about 18583.2475902357. The cubic root of 345337091 is about 701.5862605045.

The spelling of 345337091 in words is "three hundred forty-five million, three hundred thirty-seven thousand, ninety-one".