345456550 has 24 divisors (see below), whose sum is σ = 670488336. Its totient is φ = 132174240.

The previous prime is 345456547. The next prime is 345456557. The reversal of 345456550 is 55654543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345456557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149049 + ... + 151348.

It is an arithmetic number, because the mean of its divisors is an integer number (27937014).

Almost surely, 2^345456550 is an apocalyptic number.

345456550 is a deficient number, since it is larger than the sum of its proper divisors (325031786).

345456550 is a wasteful number, since it uses less digits than its factorization.

345456550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300432 (or 300427 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The square root of 345456550 is about 18586.4614706512. The cubic root of 345456550 is about 701.6671487469.

The spelling of 345456550 in words is "three hundred forty-five million, four hundred fifty-six thousand, five hundred fifty".