34145399 has 2 divisors, whose sum is σ = 34145400. Its totient is φ = 34145398.

The previous prime is 34145389. The next prime is 34145417. The reversal of 34145399 is 99354143.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34145399 - 2²⁰ = 33096823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34145389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17072699 + 17072700.

It is an arithmetic number, because the mean of its divisors is an integer number (17072700).

Almost surely, 2^34145399 is an apocalyptic number.

34145399 is a deficient number, since it is larger than the sum of its proper divisors (1).

34145399 is an equidigital number, since it uses as much as digits as its factorization.

34145399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 34145399 is about 5843.4064551424. The cubic root of 34145399 is about 324.4223237101.

The spelling of 34145399 in words is "thirty-four million, one hundred forty-five thousand, three hundred ninety-nine".