159423552 has 224 divisors, whose sum is σ = 509869440. Its totient is φ = 49268736.

The previous prime is 159423541. The next prime is 159423553. The reversal of 159423552 is 255324951.

It is a happy number.

159423552 is a `hidden beast` number, since 15 + 94 + 2 + 3 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (159423553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2379423 + ... + 2379489.

Almost surely, 2^159423552 is an apocalyptic number.

159423552 is a gapful number since it is divisible by the number (12) 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 159423552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254934720).

159423552 is an abundant number, since it is smaller than the sum of its proper divisors (350445888).

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

159423552 is an frugal number, since it uses more digits than its factorization.

159423552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 89 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 159423552 is about 12626.3039722636. The cubic root of 159423552 is about 542.2307718600.

The spelling of 159423552 in words is "one hundred fifty-nine million, four hundred twenty-three thousand, five hundred fifty-two".