345609552 has 60 divisors (see below), whose sum is σ = 901650624. Its totient is φ = 114073920.

The previous prime is 345609547. The next prime is 345609613. The reversal of 345609552 is 255906543.

It is a self number, because there is not a number n which added to its sum of digits gives 345609552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1275177 + ... + 1275447.

Almost surely, 2^345609552 is an apocalyptic number.

It is an amenable number.

345609552 is an abundant number, since it is smaller than the sum of its proper divisors (556041072).

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

345609552 is a wasteful number, since it uses less digits than its factorization.

345609552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 345609552 is about 18590.5769679158. The cubic root of 345609552 is about 701.7707224396.

The spelling of 345609552 in words is "three hundred forty-five million, six hundred nine thousand, five hundred fifty-two".