345355550 has 12 divisors (see below), whose sum is σ = 642361416. Its totient is φ = 138142200.

The previous prime is 345355547. The next prime is 345355553. The reversal of 345355550 is 55553543.

It is an interprime number because it is at equal distance from previous prime (345355547) and next prime (345355553).

It is a self number, because there is not a number n which added to its sum of digits gives 345355550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345355553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3453506 + ... + 3453605.

It is an arithmetic number, because the mean of its divisors is an integer number (53530118).

Almost surely, 2^345355550 is an apocalyptic number.

345355550 is a deficient number, since it is larger than the sum of its proper divisors (297005866).

345355550 is a wasteful number, since it uses less digits than its factorization.

345355550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6907123 (or 6907118 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 35.

The square root of 345355550 is about 18583.7442405991. The cubic root of 345355550 is about 701.5987607064.

The spelling of 345355550 in words is "three hundred forty-five million, three hundred fifty-five thousand, five hundred fifty".