245134339 has 4 divisors (see below), whose sum is σ = 259554024. Its totient is φ = 230714656.

The previous prime is 245134327. The next prime is 245134363. The reversal of 245134339 is 933431542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933431542 = 2 ⋅466715771.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245134339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245134319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7209817 + ... + 7209850.

It is an arithmetic number, because the mean of its divisors is an integer number (64888506).

Almost surely, 2^245134339 is an apocalyptic number.

245134339 is a deficient number, since it is larger than the sum of its proper divisors (14419685).

245134339 is a wasteful number, since it uses less digits than its factorization.

245134339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14419684.

The product of its digits is 38880, while the sum is 34.

The square root of 245134339 is about 15656.7665563487. The cubic root of 245134339 is about 625.8468213915.

The spelling of 245134339 in words is "two hundred forty-five million, one hundred thirty-four thousand, three hundred thirty-nine".