144443632 has 20 divisors (see below), whose sum is σ = 288888256. Its totient is φ = 69891840.

The previous prime is 144443627. The next prime is 144443633. The reversal of 144443632 is 236344441.

144443632 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 144443594 and 144443603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144443633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145113 + ... + 146104.

Almost surely, 2^144443632 is an apocalyptic number.

It is an amenable number.

144443632 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144443632 is a wasteful number, since it uses less digits than its factorization.

144443632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291256 (or 291250 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

The square root of 144443632 is about 12018.4704517671. The cubic root of 144443632 is about 524.6859884878.

The spelling of 144443632 in words is "one hundred forty-four million, four hundred forty-three thousand, six hundred thirty-two".