345457618 has 16 divisors (see below), whose sum is σ = 565639200. Its totient is φ = 156930400.

The previous prime is 345457603. The next prime is 345457621. The reversal of 345457618 is 816754543.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42438 + ... + 49918.

It is an arithmetic number, because the mean of its divisors is an integer number (35352450).

Almost surely, 2^345457618 is an apocalyptic number.

345457618 is a deficient number, since it is larger than the sum of its proper divisors (220181582).

345457618 is a wasteful number, since it uses less digits than its factorization.

345457618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9593.

The product of its digits is 403200, while the sum is 43.

The square root of 345457618 is about 18586.4902012187. The cubic root of 345457618 is about 701.6678718284.

The spelling of 345457618 in words is "three hundred forty-five million, four hundred fifty-seven thousand, six hundred eighteen".