144743664 has 40 divisors (see below), whose sum is σ = 402686032. Its totient is φ = 44536320.

The previous prime is 144743663. The next prime is 144743707. The reversal of 144743664 is 466347441.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144743663) by changing a digit.

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, 115357 + ... + 116604.

Almost surely, 2^144743664 is an apocalyptic number.

It is an amenable number.

144743664 is an abundant number, since it is smaller than the sum of its proper divisors (257942368).

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

144743664 is a wasteful number, since it uses less digits than its factorization.

144743664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231985 (or 231979 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The square root of 144743664 is about 12030.9460974605. The cubic root of 144743664 is about 525.0490221798.

The spelling of 144743664 in words is "one hundred forty-four million, seven hundred forty-three thousand, six hundred sixty-four".