159215493 has 8 divisors (see below), whose sum is σ = 212639488. Its totient is φ = 105967584.

The previous prime is 159215479. The next prime is 159215503. The reversal of 159215493 is 394512951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 159215493 - 2¹² = 159211397 is a prime.

It is a super-2 number, since 2×159215493² = 50699146422466098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159215293) 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 in 7 ways as a sum of consecutive naturals, for example, 41896 + ... + 45537.

It is an arithmetic number, because the mean of its divisors is an integer number (26579936).

Almost surely, 2^159215493 is an apocalyptic number.

It is an amenable number.

159215493 is a deficient number, since it is larger than the sum of its proper divisors (53423995).

159215493 is an equidigital number, since it uses as much as digits as its factorization.

159215493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88043.

The product of its digits is 48600, while the sum is 39.

The square root of 159215493 is about 12618.0621729329. The cubic root of 159215493 is about 541.9947860139.

The spelling of 159215493 in words is "one hundred fifty-nine million, two hundred fifteen thousand, four hundred ninety-three".