545151239 has 2 divisors, whose sum is σ = 545151240. Its totient is φ = 545151238.

The previous prime is 545151203. The next prime is 545151241. The reversal of 545151239 is 932151545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545151239 is a prime.

Together with 545151241, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 545151199 and 545151208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545151289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272575619 + 272575620.

It is an arithmetic number, because the mean of its divisors is an integer number (272575620).

Almost surely, 2^545151239 is an apocalyptic number.

545151239 is a deficient number, since it is larger than the sum of its proper divisors (1).

545151239 is an equidigital number, since it uses as much as digits as its factorization.

545151239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 35.

The square root of 545151239 is about 23348.4740186591. The cubic root of 545151239 is about 816.9064676515.

The spelling of 545151239 in words is "five hundred forty-five million, one hundred fifty-one thousand, two hundred thirty-nine".