345125439 has 12 divisors (see below), whose sum is σ = 510108456. Its totient is φ = 224732592.

The previous prime is 345125437. The next prime is 345125441. The reversal of 345125439 is 934521543.

It is an interprime number because it is at equal distance from previous prime (345125437) and next prime (345125441).

It is not a de Polignac number, because 345125439 - 2¹ = 345125437 is a prime.

It is a super-2 number, since 2×345125439² = 238223137289885442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345125437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 445512 + ... + 446285.

It is an arithmetic number, because the mean of its divisors is an integer number (42509038).

Almost surely, 2^345125439 is an apocalyptic number.

345125439 is a deficient number, since it is larger than the sum of its proper divisors (164983017).

345125439 is a wasteful number, since it uses less digits than its factorization.

345125439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891846 (or 891843 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 345125439 is about 18577.5520184980. The cubic root of 345125439 is about 701.4429005956.

The spelling of 345125439 in words is "three hundred forty-five million, one hundred twenty-five thousand, four hundred thirty-nine".