144873778 has 16 divisors (see below), whose sum is σ = 248595264. Its totient is φ = 62028720.

The previous prime is 144873769. The next prime is 144873793. The reversal of 144873778 is 877378441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11976 + ... + 20812.

It is an arithmetic number, because the mean of its divisors is an integer number (15537204).

Almost surely, 2^144873778 is an apocalyptic number.

144873778 is a deficient number, since it is larger than the sum of its proper divisors (103721486).

144873778 is a wasteful number, since it uses less digits than its factorization.

144873778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017.

The product of its digits is 1053696, while the sum is 49.

The square root of 144873778 is about 12036.3523544303. The cubic root of 144873778 is about 525.2063019905.

The spelling of 144873778 in words is "one hundred forty-four million, eight hundred seventy-three thousand, seven hundred seventy-eight".