143212332 has 12 divisors (see below), whose sum is σ = 334162136. Its totient is φ = 47737440.

The previous prime is 143212273. The next prime is 143212387. The reversal of 143212332 is 233212341.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 143212299 and 143212308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5967169 + ... + 5967192.

Almost surely, 2^143212332 is an apocalyptic number.

143212332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143212332 is an abundant number, since it is smaller than the sum of its proper divisors (190949804).

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

143212332 is a wasteful number, since it uses less digits than its factorization.

143212332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11934368 (or 11934366 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 143212332 is about 11967.1354968514. The cubic root of 143212332 is about 523.1908485573.

Adding to 143212332 its reverse (233212341), we get a palindrome (376424673).

Subtracting 143212332 from its reverse (233212341), we obtain a palindrome (90000009).

It can be divided in two parts, 14321 and 2332, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 143212332 in words is "one hundred forty-three million, two hundred twelve thousand, three hundred thirty-two".