345121522 has 8 divisors (see below), whose sum is σ = 548134236. Its totient is φ = 162410112.

The previous prime is 345121519. The next prime is 345121537. The reversal of 345121522 is 225121543.

It can be written as a sum of positive squares in 2 ways, for example, as 327573801 + 17547721 = 18099^2 + 4189^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5075283 + ... + 5075350.

Almost surely, 2^345121522 is an apocalyptic number.

345121522 is a deficient number, since it is larger than the sum of its proper divisors (203012714).

345121522 is a wasteful number, since it uses less digits than its factorization.

345121522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150652.

The product of its digits is 2400, while the sum is 25.

The square root of 345121522 is about 18577.4465952671. The cubic root of 345121522 is about 701.4402469109.

The spelling of 345121522 in words is "three hundred forty-five million, one hundred twenty-one thousand, five hundred twenty-two".