144440937 has 12 divisors (see below), whose sum is σ = 208741104. Its totient is φ = 96245880.

The previous prime is 144440929. The next prime is 144440951. The reversal of 144440937 is 739044441.

It is not a de Polignac number, because 144440937 - 2³ = 144440929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144440927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33262 + ... + 37352.

It is an arithmetic number, because the mean of its divisors is an integer number (17395092).

Almost surely, 2^144440937 is an apocalyptic number.

It is an amenable number.

144440937 is a deficient number, since it is larger than the sum of its proper divisors (64300167).

144440937 is a wasteful number, since it uses less digits than its factorization.

144440937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020 (or 8017 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 144440937 is about 12018.3583321517. The cubic root of 144440937 is about 524.6827253059.

The spelling of 144440937 in words is "one hundred forty-four million, four hundred forty thousand, nine hundred thirty-seven".