143012133 has 12 divisors (see below), whose sum is σ = 225352608. Its totient is φ = 86673960.

The previous prime is 143012131. The next prime is 143012147. The reversal of 143012133 is 331210341.

It is not a de Polignac number, because 143012133 - 2¹ = 143012131 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143012131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 722185 + ... + 722382.

It is an arithmetic number, because the mean of its divisors is an integer number (18779384).

Almost surely, 2^143012133 is an apocalyptic number.

It is an amenable number.

143012133 is a deficient number, since it is larger than the sum of its proper divisors (82340475).

143012133 is a wasteful number, since it uses less digits than its factorization.

143012133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444584 (or 1444581 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 143012133 is about 11958.7680385565. The cubic root of 143012133 is about 522.9469423513.

Adding to 143012133 its reverse (331210341), we get a palindrome (474222474).

The spelling of 143012133 in words is "one hundred forty-three million, twelve thousand, one hundred thirty-three".