345552489 has 24 divisors (see below), whose sum is σ = 534879072. Its totient is φ = 214197120.

The previous prime is 345552479. The next prime is 345552491. The reversal of 345552489 is 984255543.

345552489 is a `hidden beast` number, since 3 + 45 + 5 + 524 + 89 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-345552489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345552409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 907 + ... + 26304.

It is an arithmetic number, because the mean of its divisors is an integer number (22286628).

Almost surely, 2^345552489 is an apocalyptic number.

It is an amenable number.

345552489 is a deficient number, since it is larger than the sum of its proper divisors (189326583).

345552489 is a wasteful number, since it uses less digits than its factorization.

345552489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27317 (or 27314 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 345552489 is about 18589.0421754323. The cubic root of 345552489 is about 701.7320975939.

The spelling of 345552489 in words is "three hundred forty-five million, five hundred fifty-two thousand, four hundred eighty-nine".