143230252 has 12 divisors (see below), whose sum is σ = 273439656. Its totient is φ = 65104640.

The previous prime is 143230249. The next prime is 143230267. The reversal of 143230252 is 252032341.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627573 + ... + 1627660.

It is an arithmetic number, because the mean of its divisors is an integer number (22786638).

Almost surely, 2^143230252 is an apocalyptic number.

It is an amenable number.

143230252 is a deficient number, since it is larger than the sum of its proper divisors (130209404).

143230252 is a wasteful number, since it uses less digits than its factorization.

143230252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255248 (or 3255246 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 143230252 is about 11967.8841906162. The cubic root of 143230252 is about 523.2126697437.

Adding to 143230252 its reverse (252032341), we get a palindrome (395262593).

It can be divided in two parts, 1432 and 30252, that added together give a square (31684 = 178²).

The spelling of 143230252 in words is "one hundred forty-three million, two hundred thirty thousand, two hundred fifty-two".