15145251427 has 2 divisors, whose sum is σ = 15145251428. Its totient is φ = 15145251426.

The previous prime is 15145251419. The next prime is 15145251487. The reversal of 15145251427 is 72415254151.

It is a happy number.

15145251427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15145251427 - 2³ = 15145251419 is a prime.

It is not a weakly prime, because it can be changed into another prime (15145251487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7572625713 + 7572625714.

It is an arithmetic number, because the mean of its divisors is an integer number (7572625714).

Almost surely, 2^15145251427 is an apocalyptic number.

15145251427 is a deficient number, since it is larger than the sum of its proper divisors (1).

15145251427 is an equidigital number, since it uses as much as digits as its factorization.

15145251427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56000, while the sum is 37.

The spelling of 15145251427 in words is "fifteen billion, one hundred forty-five million, two hundred fifty-one thousand, four hundred twenty-seven".