345656254 has 8 divisors (see below), whose sum is σ = 519104880. Its totient is φ = 172621296.

The previous prime is 345656251. The next prime is 345656263. The reversal of 345656254 is 452656543.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345656251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101319 + ... + 104674.

It is an arithmetic number, because the mean of its divisors is an integer number (64888110).

Almost surely, 2^345656254 is an apocalyptic number.

345656254 is a deficient number, since it is larger than the sum of its proper divisors (173448626).

345656254 is a wasteful number, since it uses less digits than its factorization.

345656254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206834.

The product of its digits is 432000, while the sum is 40.

The square root of 345656254 is about 18591.8329919349. The cubic root of 345656254 is about 701.8023309604.

The spelling of 345656254 in words is "three hundred forty-five million, six hundred fifty-six thousand, two hundred fifty-four".