345621502 has 8 divisors (see below), whose sum is σ = 519240456. Its totient is φ = 172541352.

The previous prime is 345621481. The next prime is 345621517. The reversal of 345621502 is 205126543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133093 + ... + 135664.

It is an arithmetic number, because the mean of its divisors is an integer number (64905057).

Almost surely, 2^345621502 is an apocalyptic number.

345621502 is a deficient number, since it is larger than the sum of its proper divisors (173618954).

345621502 is a wasteful number, since it uses less digits than its factorization.

345621502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269402.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 345621502 is about 18590.8983645224. The cubic root of 345621502 is about 701.7788106261.

The spelling of 345621502 in words is "three hundred forty-five million, six hundred twenty-one thousand, five hundred two".