345503091 has 8 divisors (see below), whose sum is σ = 475531264. Its totient is φ = 222905160.

The previous prime is 345503089. The next prime is 345503161. The reversal of 345503091 is 190305543.

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

It is not a de Polignac number, because 345503091 - 2¹ = 345503089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345503051) 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, 1857451 + ... + 1857636.

It is an arithmetic number, because the mean of its divisors is an integer number (59441408).

Almost surely, 2^345503091 is an apocalyptic number.

345503091 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

345503091 is a deficient number, since it is larger than the sum of its proper divisors (130028173).

345503091 is a wasteful number, since it uses less digits than its factorization.

345503091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715121.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 345503091 is about 18587.7134419487. The cubic root of 345503091 is about 701.6986576051.

The spelling of 345503091 in words is "three hundred forty-five million, five hundred three thousand, ninety-one".