159444903450 has 48 divisors (see below), whose sum is σ = 451912415040. Its totient is φ = 36444549120.

The previous prime is 159444903433. The next prime is 159444903479. The reversal of 159444903450 is 54309444951.

It is a self number, because there is not a number n which added to its sum of digits gives 159444903450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75925095 + ... + 75927194.

It is an arithmetic number, because the mean of its divisors is an integer number (9414841980).

Almost surely, 2^159444903450 is an apocalyptic number.

159444903450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159444903450 is an abundant number, since it is smaller than the sum of its proper divisors (292467511590).

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

159444903450 is a wasteful number, since it uses less digits than its factorization.

159444903450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151852311 (or 151852306 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 159444903450 in words is "one hundred fifty-nine billion, four hundred forty-four million, nine hundred three thousand, four hundred fifty".