144904988 has 24 divisors (see below), whose sum is σ = 260324064. Its totient is φ = 70534400.

The previous prime is 144904939. The next prime is 144904997. The reversal of 144904988 is 889409441.

It is a congruent number.

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, 140033 + ... + 141063.

It is an arithmetic number, because the mean of its divisors is an integer number (10846836).

Almost surely, 2^144904988 is an apocalyptic number.

It is an amenable number.

144904988 is a deficient number, since it is larger than the sum of its proper divisors (115419076).

144904988 is a wasteful number, since it uses less digits than its factorization.

144904988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 144904988 is about 12037.6487737432. The cubic root of 144904988 is about 525.2440141562.

The spelling of 144904988 in words is "one hundred forty-four million, nine hundred four thousand, nine hundred eighty-eight".