345457982 has 8 divisors (see below), whose sum is σ = 518270616. Its totient is φ = 172701112.

The previous prime is 345457979. The next prime is 345458021. The reversal of 345457982 is 289754543.

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

It is a congruent number.

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, 9293 + ... + 27879.

It is an arithmetic number, because the mean of its divisors is an integer number (64783827).

Almost surely, 2^345457982 is an apocalyptic number.

It is a pronic number, being equal to 18586×18587.

345457982 is a deficient number, since it is larger than the sum of its proper divisors (172812634).

345457982 is a wasteful number, since it uses less digits than its factorization.

345457982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27882.

The product of its digits is 1209600, while the sum is 47.

The square root of 345457982 is about 18586.4999932747. The cubic root of 345457982 is about 701.6681182716.

The spelling of 345457982 in words is "three hundred forty-five million, four hundred fifty-seven thousand, nine hundred eighty-two".