345515260 has 24 divisors (see below), whose sum is σ = 726250896. Its totient is φ = 138078720.

The previous prime is 345515249. The next prime is 345515263. The reversal of 345515260 is 62515543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345515263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16044 + ... + 30796.

It is an arithmetic number, because the mean of its divisors is an integer number (30260454).

Almost surely, 2^345515260 is an apocalyptic number.

It is an amenable number.

345515260 is an abundant number, since it is smaller than the sum of its proper divisors (380735636).

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

345515260 is a wasteful number, since it uses less digits than its factorization.

345515260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15933 (or 15931 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 345515260 is about 18588.0407789525. The cubic root of 345515260 is about 701.7068957087.

The spelling of 345515260 in words is "three hundred forty-five million, five hundred fifteen thousand, two hundred sixty".