345944451 has 16 divisors (see below), whose sum is σ = 480614400. Its totient is φ = 221067168.

The previous prime is 345944437. The next prime is 345944461. The reversal of 345944451 is 154449543.

It is not a de Polignac number, because 345944451 - 2⁶ = 345944387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345944461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2211 + ... + 26396.

It is an arithmetic number, because the mean of its divisors is an integer number (30038400).

Almost surely, 2^345944451 is an apocalyptic number.

345944451 is a deficient number, since it is larger than the sum of its proper divisors (134669949).

345944451 is a wasteful number, since it uses less digits than its factorization.

345944451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28778.

The product of its digits is 172800, while the sum is 39.

The square root of 345944451 is about 18599.5820114324. The cubic root of 345944451 is about 701.9973234693.

The spelling of 345944451 in words is "three hundred forty-five million, nine hundred forty-four thousand, four hundred fifty-one".