144623811957 has 16 divisors (see below), whose sum is σ = 199161471168. Its totient is φ = 93300854400.

The previous prime is 144623811949. The next prime is 144623811961. The reversal of 144623811957 is 759118326441.

It is not a de Polignac number, because 144623811957 - 2³ = 144623811949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144623811257) 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 15 ways as a sum of consecutive naturals, for example, 6218419 + ... + 6241632.

It is an arithmetic number, because the mean of its divisors is an integer number (12447591948).

Almost surely, 2^144623811957 is an apocalyptic number.

It is an amenable number.

144623811957 is a deficient number, since it is larger than the sum of its proper divisors (54537659211).

144623811957 is a wasteful number, since it uses less digits than its factorization.

144623811957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12460180.

The product of its digits is 1451520, while the sum is 51.

The spelling of 144623811957 in words is "one hundred forty-four billion, six hundred twenty-three million, eight hundred eleven thousand, nine hundred fifty-seven".