159622487 has 4 divisors (see below), whose sum is σ = 159686640. Its totient is φ = 159558336.

The previous prime is 159622483. The next prime is 159622511. The reversal of 159622487 is 784226951.

It is a happy number.

159622487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784226951 = 37 ⋅21195323.

It is a cyclic number.

It is not a de Polignac number, because 159622487 - 2² = 159622483 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 (159622483) 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, 28187 + ... + 33372.

It is an arithmetic number, because the mean of its divisors is an integer number (39921660).

Almost surely, 2^159622487 is an apocalyptic number.

159622487 is a deficient number, since it is larger than the sum of its proper divisors (64153).

159622487 is an equidigital number, since it uses as much as digits as its factorization.

159622487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64152.

The product of its digits is 241920, while the sum is 44.

The square root of 159622487 is about 12634.1793164416. The cubic root of 159622487 is about 542.4562170984.

The spelling of 159622487 in words is "one hundred fifty-nine million, six hundred twenty-two thousand, four hundred eighty-seven".