345428258 has 8 divisors (see below), whose sum is σ = 592162752. Its totient is φ = 148040676.

The previous prime is 345428203. The next prime is 345428261. The reversal of 345428258 is 852824543.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12336710 + ... + 12336737.

It is an arithmetic number, because the mean of its divisors is an integer number (74020344).

Almost surely, 2^345428258 is an apocalyptic number.

345428258 is a deficient number, since it is larger than the sum of its proper divisors (246734494).

345428258 is a wasteful number, since it uses less digits than its factorization.

345428258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24673456.

The product of its digits is 307200, while the sum is 41.

The square root of 345428258 is about 18585.7003634515. The cubic root of 345428258 is about 701.6479933144.

The spelling of 345428258 in words is "three hundred forty-five million, four hundred twenty-eight thousand, two hundred fifty-eight".