159561485 has 8 divisors (see below), whose sum is σ = 191933280. Its totient is φ = 127342864.

The previous prime is 159561481. The next prime is 159561491. The reversal of 159561485 is 584165951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159561485 - 2² = 159561481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159561481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35987 + ... + 40176.

It is an arithmetic number, because the mean of its divisors is an integer number (23991660).

Almost surely, 2^159561485 is an apocalyptic number.

It is an amenable number.

159561485 is a deficient number, since it is larger than the sum of its proper divisors (32371795).

159561485 is an equidigital number, since it uses as much as digits as its factorization.

159561485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76587.

The product of its digits is 216000, while the sum is 44.

The square root of 159561485 is about 12631.7649202319. The cubic root of 159561485 is about 542.3871058450.

The spelling of 159561485 in words is "one hundred fifty-nine million, five hundred sixty-one thousand, four hundred eighty-five".