159781248 has 192 divisors, whose sum is σ = 521277120. Its totient is φ = 48314880.

The previous prime is 159781229. The next prime is 159781267. The reversal of 159781248 is 842187951.

159781248 is a `hidden beast` number, since 1 + 597 + 8 + 12 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (159781229) and next prime (159781267).

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-3 number, since 3×159781248³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341911 + ... + 342377.

It is an arithmetic number, because the mean of its divisors is an integer number (2714985).

Almost surely, 2^159781248 is an apocalyptic number.

159781248 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 159781248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260638560).

159781248 is an abundant number, since it is smaller than the sum of its proper divisors (361495872).

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

159781248 is an equidigital number, since it uses as much as digits as its factorization.

159781248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 483 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 159781248 is about 12640.4607510961. The cubic root of 159781248 is about 542.6360003625.

The spelling of 159781248 in words is "one hundred fifty-nine million, seven hundred eighty-one thousand, two hundred forty-eight".