15400159 has 2 divisors, whose sum is σ = 15400160. Its totient is φ = 15400158.

The previous prime is 15400111. The next prime is 15400163. The reversal of 15400159 is 95100451.

It is a strong prime.

It is an emirp because it is prime and its reverse (95100451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15400159 - 2⁷ = 15400031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15400169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7700079 + 7700080.

It is an arithmetic number, because the mean of its divisors is an integer number (7700080).

Almost surely, 2^15400159 is an apocalyptic number.

15400159 is a deficient number, since it is larger than the sum of its proper divisors (1).

15400159 is an equidigital number, since it uses as much as digits as its factorization.

15400159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 15400159 is about 3924.3036324933. The cubic root of 15400159 is about 248.7950497097.

The spelling of 15400159 in words is "fifteen million, four hundred thousand, one hundred fifty-nine".