144042532 has 6 divisors (see below), whose sum is σ = 252074438. Its totient is φ = 72021264.

The previous prime is 144042527. The next prime is 144042557. The reversal of 144042532 is 235240441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 143376676 + 665856 = 11974^2 + 816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144042497 and 144042506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18005313 + ... + 18005320.

Almost surely, 2^144042532 is an apocalyptic number.

It is an amenable number.

144042532 is a deficient number, since it is larger than the sum of its proper divisors (108031906).

144042532 is a wasteful number, since it uses less digits than its factorization.

144042532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36010637 (or 36010635 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 144042532 is about 12001.7720358287. The cubic root of 144042532 is about 524.1998781013.

Adding to 144042532 its reverse (235240441), we get a palindrome (379282973).

The spelling of 144042532 in words is "one hundred forty-four million, forty-two thousand, five hundred thirty-two".