144839874 has 16 divisors (see below), whose sum is σ = 299024640. Its totient is φ = 46722480.

The previous prime is 144839873. The next prime is 144839899. The reversal of 144839874 is 478938441.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144839873) 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, 389169 + ... + 389540.

It is an arithmetic number, because the mean of its divisors is an integer number (18689040).

Almost surely, 2^144839874 is an apocalyptic number.

144839874 is an abundant number, since it is smaller than the sum of its proper divisors (154184766).

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

144839874 is a wasteful number, since it uses less digits than its factorization.

144839874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778745.

The product of its digits is 774144, while the sum is 48.

The square root of 144839874 is about 12034.9438719090. The cubic root of 144839874 is about 525.1653284296.

The spelling of 144839874 in words is "one hundred forty-four million, eight hundred thirty-nine thousand, eight hundred seventy-four".