345037439 has 6 divisors (see below), whose sum is σ = 348640704. Its totient is φ = 341471040.

The previous prime is 345037339. The next prime is 345037453. The reversal of 345037439 is 934730543.

It is a de Polignac number, because none of the positive numbers 2^k-345037439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345037039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8927 + ... + 27744.

It is an arithmetic number, because the mean of its divisors is an integer number (58106784).

Almost surely, 2^345037439 is an apocalyptic number.

345037439 is a deficient number, since it is larger than the sum of its proper divisors (3603265).

345037439 is an frugal number, since it uses more digits than its factorization.

345037439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36865 (or 36768 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 38.

The square root of 345037439 is about 18575.1834176678. The cubic root of 345037439 is about 701.3832776147.

The spelling of 345037439 in words is "three hundred forty-five million, thirty-seven thousand, four hundred thirty-nine".