144957988 has 24 divisors (see below), whose sum is σ = 296660672. Its totient is φ = 60679584.

The previous prime is 144957947. The next prime is 144957991. The reversal of 144957988 is 889759441.

It is a happy 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, 58995 + ... + 61402.

Almost surely, 2^144957988 is an apocalyptic number.

It is an amenable number.

144957988 is an abundant number, since it is smaller than the sum of its proper divisors (151702684).

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

144957988 is a wasteful number, since it uses less digits than its factorization.

144957988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120451 (or 120449 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 55.

The square root of 144957988 is about 12039.8499990656. The cubic root of 144957988 is about 525.3080435588.

The spelling of 144957988 in words is "one hundred forty-four million, nine hundred fifty-seven thousand, nine hundred eighty-eight".