143040531252 has 24 divisors (see below), whose sum is σ = 333768095136. Its totient is φ = 47679197728.

The previous prime is 143040531241. The next prime is 143040531307. The reversal of 143040531252 is 252135040341.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715618 + ... + 893414.

It is an arithmetic number, because the mean of its divisors is an integer number (13907003964).

Almost surely, 2^143040531252 is an apocalyptic number.

143040531252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143040531252 is an abundant number, since it is smaller than the sum of its proper divisors (190727563884).

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

143040531252 is a wasteful number, since it uses less digits than its factorization.

143040531252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244847 (or 244845 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 143040531252 its reverse (252135040341), we get a palindrome (395175571593).

The spelling of 143040531252 in words is "one hundred forty-three billion, forty million, five hundred thirty-one thousand, two hundred fifty-two".