345273944 has 16 divisors (see below), whose sum is σ = 685470600. Its totient is φ = 162481792.

The previous prime is 345273937. The next prime is 345273991. The reversal of 345273944 is 449372543.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269254 + ... + 1269525.

Almost surely, 2^345273944 is an apocalyptic number.

345273944 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

345273944 is a deficient number, since it is larger than the sum of its proper divisors (340196656).

345273944 is a wasteful number, since it uses less digits than its factorization.

345273944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538802 (or 2538798 counting only the distinct ones).

The product of its digits is 362880, while the sum is 41.

The square root of 345273944 is about 18581.5484822982. The cubic root of 345273944 is about 701.5434947843.

The spelling of 345273944 in words is "three hundred forty-five million, two hundred seventy-three thousand, nine hundred forty-four".