144421532 has 6 divisors (see below), whose sum is σ = 252737688. Its totient is φ = 72210764.

The previous prime is 144421523. The next prime is 144421547. The reversal of 144421532 is 235124441.

144421532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18052688 + ... + 18052695.

It is an arithmetic number, because the mean of its divisors is an integer number (42122948).

Almost surely, 2^144421532 is an apocalyptic number.

It is an amenable number.

144421532 is a deficient number, since it is larger than the sum of its proper divisors (108316156).

144421532 is a wasteful number, since it uses less digits than its factorization.

144421532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36105387 (or 36105385 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 144421532 is about 12017.5509984356. The cubic root of 144421532 is about 524.6592279871.

Adding to 144421532 its reverse (235124441), we get a palindrome (379545973).

The spelling of 144421532 in words is "one hundred forty-four million, four hundred twenty-one thousand, five hundred thirty-two".