144028859 has 8 divisors (see below), whose sum is σ = 158891712. Its totient is φ = 129706560.

The previous prime is 144028849. The next prime is 144028861. The reversal of 144028859 is 958820441.

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 144028859 - 2¹² = 144024763 is a prime.

It is a super-3 number, since 3×144028859³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144028849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134579 + ... + 135644.

It is an arithmetic number, because the mean of its divisors is an integer number (19861464).

Almost surely, 2^144028859 is an apocalyptic number.

144028859 is a deficient number, since it is larger than the sum of its proper divisors (14862853).

144028859 is a wasteful number, since it uses less digits than its factorization.

144028859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270277.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 144028859 is about 12001.2023980933. The cubic root of 144028859 is about 524.1832913066.

The spelling of 144028859 in words is "one hundred forty-four million, twenty-eight thousand, eight hundred fifty-nine".