144242544 has 40 divisors (see below), whose sum is σ = 376328592. Its totient is φ = 47603200.

The previous prime is 144242531. The next prime is 144242561. The reversal of 144242544 is 445242441.

144242544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×144242544² = 41611822999183872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10029 + ... + 19724.

Almost surely, 2^144242544 is an apocalyptic number.

It is an amenable number.

144242544 is an abundant number, since it is smaller than the sum of its proper divisors (232086048).

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

144242544 is a wasteful number, since it uses less digits than its factorization.

144242544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29865 (or 29859 counting only the distinct ones).

The product of its digits is 20480, while the sum is 30.

The square root of 144242544 is about 12010.1017481119. The cubic root of 144242544 is about 524.4423939135.

Adding to 144242544 its reverse (445242441), we get a palindrome (589484985).

The spelling of 144242544 in words is "one hundred forty-four million, two hundred forty-two thousand, five hundred forty-four".