159039451 has 16 divisors (see below), whose sum is σ = 169696800. Its totient is φ = 148780800.

The previous prime is 159039449. The next prime is 159039467. The reversal of 159039451 is 154930951.

It is a happy number.

It is not a de Polignac number, because 159039451 - 2¹ = 159039449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159039451.

It is not an unprimeable number, because it can be changed into a prime (159039421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214840 + ... + 215578.

It is an arithmetic number, because the mean of its divisors is an integer number (10606050).

Almost surely, 2^159039451 is an apocalyptic number.

159039451 is a deficient number, since it is larger than the sum of its proper divisors (10657349).

159039451 is a wasteful number, since it uses less digits than its factorization.

159039451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 159039451 is about 12611.0844498005. The cubic root of 159039451 is about 541.7949540508.

It can be divided in two parts, 1590 and 39451, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 159039451 in words is "one hundred fifty-nine million, thirty-nine thousand, four hundred fifty-one".