144873428 has 24 divisors (see below), whose sum is σ = 290332224. Its totient is φ = 61963200.

The previous prime is 144873427. The next prime is 144873431. The reversal of 144873428 is 824378441.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144873427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9623 + ... + 19553.

It is an arithmetic number, because the mean of its divisors is an integer number (12097176).

Almost surely, 2^144873428 is an apocalyptic number.

It is an amenable number.

144873428 is an abundant number, since it is smaller than the sum of its proper divisors (145458796).

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

144873428 is a wasteful number, since it uses less digits than its factorization.

144873428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463 (or 10461 counting only the distinct ones).

The product of its digits is 172032, while the sum is 41.

The square root of 144873428 is about 12036.3378151330. The cubic root of 144873428 is about 525.2058790422.

The spelling of 144873428 in words is "one hundred forty-four million, eight hundred seventy-three thousand, four hundred twenty-eight".