159037981443 has 192 divisors, whose sum is σ = 282773151360. Its totient is φ = 87929487360.

The previous prime is 159037981429. The next prime is 159037981469. The reversal of 159037981443 is 344189730951.

159037981443 is a `hidden beast` number, since 1 + 5 + 90 + 37 + 9 + 81 + 443 = 666.

It is not a de Polignac number, because 159037981443 - 2²⁹ = 158501110531 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 159037981443.

It is not an unprimeable number, because it can be changed into a prime (159037981643) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 285525721 + ... + 285526277.

It is an arithmetic number, because the mean of its divisors is an integer number (1472776830).

Almost surely, 2^159037981443 is an apocalyptic number.

159037981443 is a deficient number, since it is larger than the sum of its proper divisors (123735169917).

159037981443 is a wasteful number, since it uses less digits than its factorization.

159037981443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 159037981443 in words is "one hundred fifty-nine billion, thirty-seven million, nine hundred eighty-one thousand, four hundred forty-three".