143256532 has 6 divisors (see below), whose sum is σ = 250698938. Its totient is φ = 71628264.

The previous prime is 143256527. The next prime is 143256539. The reversal of 143256532 is 235652341.

It is a happy number.

143256532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 136095556 + 7160976 = 11666^2 + 2676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143256494 and 143256503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143256539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17907063 + ... + 17907070.

Almost surely, 2^143256532 is an apocalyptic number.

It is an amenable number.

143256532 is a deficient number, since it is larger than the sum of its proper divisors (107442406).

143256532 is a wasteful number, since it uses less digits than its factorization.

143256532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35814137 (or 35814135 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 143256532 is about 11968.9820786899. The cubic root of 143256532 is about 523.2446676117.

The spelling of 143256532 in words is "one hundred forty-three million, two hundred fifty-six thousand, five hundred thirty-two".