159452491 has 8 divisors (see below), whose sum is σ = 181511424. Its totient is φ = 138654120.

The previous prime is 159452483. The next prime is 159452507. The reversal of 159452491 is 194254951.

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

It is not a de Polignac number, because 159452491 - 2³ = 159452483 is a prime.

It is a super-2 number, since 2×159452491² = 50850193772210162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159452431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314871 + ... + 315376.

It is an arithmetic number, because the mean of its divisors is an integer number (22688928).

Almost surely, 2^159452491 is an apocalyptic number.

159452491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

159452491 is a deficient number, since it is larger than the sum of its proper divisors (22058933).

159452491 is a wasteful number, since it uses less digits than its factorization.

159452491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630281.

The product of its digits is 64800, while the sum is 40.

The square root of 159452491 is about 12627.4499009103. The cubic root of 159452491 is about 542.2635789468.

The spelling of 159452491 in words is "one hundred fifty-nine million, four hundred fifty-two thousand, four hundred ninety-one".