144990159 has 16 divisors (see below), whose sum is σ = 207828480. Its totient is φ = 89622720.

The previous prime is 144990143. The next prime is 144990163. The reversal of 144990159 is 951099441.

It is a happy number.

It is not a de Polignac number, because 144990159 - 2⁴ = 144990143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144990159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144990119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24382 + ... + 29739.

It is an arithmetic number, because the mean of its divisors is an integer number (12989280).

Almost surely, 2^144990159 is an apocalyptic number.

144990159 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

144990159 is a deficient number, since it is larger than the sum of its proper divisors (62838321).

144990159 is a wasteful number, since it uses less digits than its factorization.

144990159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54190.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 144990159 is about 12041.1859465752. The cubic root of 144990159 is about 525.3469017946.

The spelling of 144990159 in words is "one hundred forty-four million, nine hundred ninety thousand, one hundred fifty-nine".