143031252 has 48 divisors (see below), whose sum is σ = 410759552. Its totient is φ = 37722240.

The previous prime is 143031211. The next prime is 143031257. The reversal of 143031252 is 252130341.

143031252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143031257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64399 + ... + 66582.

Almost surely, 2^143031252 is an apocalyptic number.

143031252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143031252 is an abundant number, since it is smaller than the sum of its proper divisors (267728300).

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

143031252 is a wasteful number, since it uses less digits than its factorization.

143031252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131008 (or 131006 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 143031252 is about 11959.5673834801. The cubic root of 143031252 is about 522.9702452158.

Adding to 143031252 its reverse (252130341), we get a palindrome (395161593).

The spelling of 143031252 in words is "one hundred forty-three million, thirty-one thousand, two hundred fifty-two".