87145159 has 2 divisors, whose sum is σ = 87145160. Its totient is φ = 87145158.

The previous prime is 87145141. The next prime is 87145171. The reversal of 87145159 is 95154178.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87145159 - 2⁵ = 87145127 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 (87145189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43572579 + 43572580.

It is an arithmetic number, because the mean of its divisors is an integer number (43572580).

Almost surely, 2^87145159 is an apocalyptic number.

87145159 is a deficient number, since it is larger than the sum of its proper divisors (1).

87145159 is an equidigital number, since it uses as much as digits as its factorization.

87145159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 40.

The square root of 87145159 is about 9335.1571491861. The cubic root of 87145159 is about 443.3510644851.

The spelling of 87145159 in words is "eighty-seven million, one hundred forty-five thousand, one hundred fifty-nine".