345422457 has 12 divisors (see below), whose sum is σ = 499837104. Its totient is φ = 229869240.

The previous prime is 345422449. The next prime is 345422459. The reversal of 345422457 is 754224543.

It is not a de Polignac number, because 345422457 - 2³ = 345422449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345422459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29019 + ... + 39152.

It is an arithmetic number, because the mean of its divisors is an integer number (41653092).

Almost surely, 2^345422457 is an apocalyptic number.

It is an amenable number.

345422457 is a deficient number, since it is larger than the sum of its proper divisors (154414647).

345422457 is a wasteful number, since it uses less digits than its factorization.

345422457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68740 (or 68737 counting only the distinct ones).

The product of its digits is 134400, while the sum is 36.

The square root of 345422457 is about 18585.5443019568. The cubic root of 345422457 is about 701.6440655496.

The spelling of 345422457 in words is "three hundred forty-five million, four hundred twenty-two thousand, four hundred fifty-seven".