159744492 has 18 divisors (see below), whose sum is σ = 403798668. Its totient is φ = 53248152.

The previous prime is 159744469. The next prime is 159744509. The reversal of 159744492 is 294447951.

159744492 is a `hidden beast` number, since 159 + 7 + 4 + 4 + 492 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2218638 + ... + 2218709.

Almost surely, 2^159744492 is an apocalyptic number.

159744492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

159744492 is an abundant number, since it is smaller than the sum of its proper divisors (244054176).

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

159744492 is a wasteful number, since it uses less digits than its factorization.

159744492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437357 (or 4437352 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 159744492 is about 12639.0067647739. The cubic root of 159744492 is about 542.5943879317.

The spelling of 159744492 in words is "one hundred fifty-nine million, seven hundred forty-four thousand, four hundred ninety-two".