345305502 has 24 divisors (see below), whose sum is σ = 749230560. Its totient is φ = 114937440.

The previous prime is 345305501. The next prime is 345305503. The reversal of 345305502 is 205503543.

It is an interprime number because it is at equal distance from previous prime (345305501) and next prime (345305503).

It is a super-2 number, since 2×345305502² = 238471779422944008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345305501) 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, 399 + ... + 26282.

It is an arithmetic number, because the mean of its divisors is an integer number (31217940).

Almost surely, 2^345305502 is an apocalyptic number.

345305502 is an abundant number, since it is smaller than the sum of its proper divisors (403925058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345305502 is a wasteful number, since it uses less digits than its factorization.

345305502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27408 (or 27405 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 345305502 is about 18582.3976386256. The cubic root of 345305502 is about 701.5648677989.

The spelling of 345305502 in words is "three hundred forty-five million, three hundred five thousand, five hundred two".