345255550 has 24 divisors (see below), whose sum is σ = 679952016. Its totient is φ = 129978240.

The previous prime is 345255541. The next prime is 345255571. The reversal of 345255550 is 55552543.

It is a super-3 number, since 3×345255550³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202242 + ... + 203941.

It is an arithmetic number, because the mean of its divisors is an integer number (28331334).

Almost surely, 2^345255550 is an apocalyptic number.

345255550 is a deficient number, since it is larger than the sum of its proper divisors (334696466).

345255550 is a wasteful number, since it uses less digits than its factorization.

345255550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406212 (or 406207 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 34.

The square root of 345255550 is about 18581.0535223383. The cubic root of 345255550 is about 701.5310366377.

The spelling of 345255550 in words is "three hundred forty-five million, two hundred fifty-five thousand, five hundred fifty".