345402550 has 24 divisors (see below), whose sum is σ = 643318200. Its totient is φ = 137974080.

The previous prime is 345402529. The next prime is 345402559. The reversal of 345402550 is 55204543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345402559) 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, 36181 + ... + 44719.

It is an arithmetic number, because the mean of its divisors is an integer number (26804925).

Almost surely, 2^345402550 is an apocalyptic number.

345402550 is a deficient number, since it is larger than the sum of its proper divisors (297915650).

345402550 is a wasteful number, since it uses less digits than its factorization.

345402550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360 (or 9355 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 345402550 is about 18585.0087436084. The cubic root of 345402550 is about 701.6305865025.

The spelling of 345402550 in words is "three hundred forty-five million, four hundred two thousand, five hundred fifty".