159149448 has 112 divisors (see below), whose sum is σ = 463322700. Its totient is φ = 51166080.

The previous prime is 159149387. The next prime is 159149449. The reversal of 159149448 is 844941951.

It is a happy number.

159149448 is a `hidden beast` number, since 159 + 1 + 494 + 4 + 8 = 666.

159149448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 158306724 + 842724 = 12582^2 + 918^2 .

It is not an unprimeable number, because it can be changed into a prime (159149449) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 168658 + ... + 169598.

Almost surely, 2^159149448 is an apocalyptic number.

159149448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159149448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231661350).

159149448 is an abundant number, since it is smaller than the sum of its proper divisors (304173252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159149448 is an equidigital number, since it uses as much as digits as its factorization.

159149448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 975 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 159149448 is about 12615.4448197438. Note that the first 3 decimals coincide. The cubic root of 159149448 is about 541.9198330981.

The spelling of 159149448 in words is "one hundred fifty-nine million, one hundred forty-nine thousand, four hundred forty-eight".