345245249 has 4 divisors (see below), whose sum is σ = 360255936. Its totient is φ = 330234564.

The previous prime is 345245207. The next prime is 345245267. The reversal of 345245249 is 942542543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345245249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345245269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7505309 + ... + 7505354.

It is an arithmetic number, because the mean of its divisors is an integer number (90063984).

Almost surely, 2^345245249 is an apocalyptic number.

It is an amenable number.

345245249 is a deficient number, since it is larger than the sum of its proper divisors (15010687).

345245249 is a wasteful number, since it uses less digits than its factorization.

345245249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15010686.

The product of its digits is 172800, while the sum is 38.

The square root of 345245249 is about 18580.7763293141. The cubic root of 345245249 is about 701.5240596385.

The spelling of 345245249 in words is "three hundred forty-five million, two hundred forty-five thousand, two hundred forty-nine".