87445159 has 4 divisors (see below), whose sum is σ = 87648480. Its totient is φ = 87241840.

The previous prime is 87445153. The next prime is 87445181. The reversal of 87445159 is 95154478.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87445159 - 2⁷ = 87445031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87445153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101014 + ... + 101875.

It is an arithmetic number, because the mean of its divisors is an integer number (21912120).

Almost surely, 2^87445159 is an apocalyptic number.

87445159 is a deficient number, since it is larger than the sum of its proper divisors (203321).

87445159 is a wasteful number, since it uses less digits than its factorization.

87445159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203320.

The product of its digits is 201600, while the sum is 43.

The square root of 87445159 is about 9351.2116327244. The cubic root of 87445159 is about 443.8592318811.

The spelling of 87445159 in words is "eighty-seven million, four hundred forty-five thousand, one hundred fifty-nine".