144723663 has 24 divisors (see below), whose sum is σ = 239436288. Its totient is φ = 82516752.

The previous prime is 144723629. The next prime is 144723673. The reversal of 144723663 is 366327441.

It is a happy number.

It is not a de Polignac number, because 144723663 - 2²⁰ = 143675087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144723673) 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 23 ways as a sum of consecutive naturals, for example, 29406 + ... + 33972.

It is an arithmetic number, because the mean of its divisors is an integer number (9976512).

Almost surely, 2^144723663 is an apocalyptic number.

144723663 is a deficient number, since it is larger than the sum of its proper divisors (94712625).

144723663 is a wasteful number, since it uses less digits than its factorization.

144723663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083 (or 5080 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 144723663 is about 12030.1148373571. The cubic root of 144723663 is about 525.0248369202.

The spelling of 144723663 in words is "one hundred forty-four million, seven hundred twenty-three thousand, six hundred sixty-three".