345669080 has 32 divisors (see below), whose sum is σ = 789369840. Its totient is φ = 136202880.

The previous prime is 345669031. The next prime is 345669097. The reversal of 345669080 is 80966543.

It is a super-2 number, since 2×345669080² = 238974225736092800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61811 + ... + 67170.

Almost surely, 2^345669080 is an apocalyptic number.

It is an amenable number.

345669080 is an abundant number, since it is smaller than the sum of its proper divisors (443700760).

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

345669080 is a wasteful number, since it uses less digits than its factorization.

345669080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129059 (or 129055 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 345669080 is about 18592.1779251383. The cubic root of 345669080 is about 701.8110112657.

The spelling of 345669080 in words is "three hundred forty-five million, six hundred sixty-nine thousand, eighty".