159745456 has 80 divisors (see below), whose sum is σ = 350602560. Its totient is φ = 69995520.

The previous prime is 159745441. The next prime is 159745457. The reversal of 159745456 is 654547951.

It is a super-2 number, since 2×159745456² = 51037221425295872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159745457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428086 + ... + 428458.

It is an arithmetic number, because the mean of its divisors is an integer number (4382532).

Almost surely, 2^159745456 is an apocalyptic number.

159745456 is a gapful number since it is divisible by the number (16) 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 159745456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175301280).

159745456 is an abundant number, since it is smaller than the sum of its proper divisors (190857104).

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

159745456 is a wasteful number, since it uses less digits than its factorization.

159745456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 488 counting only the distinct ones).

The product of its digits is 756000, while the sum is 46.

The square root of 159745456 is about 12639.0449006244. The cubic root of 159745456 is about 542.5954793828.

The spelling of 159745456 in words is "one hundred fifty-nine million, seven hundred forty-five thousand, four hundred fifty-six".