143212141 has 4 divisors (see below), whose sum is σ = 143932000. Its totient is φ = 142492284.

The previous prime is 143212109. The next prime is 143212159. The reversal of 143212141 is 141212341.

143212141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143212141 - 2⁵ = 143212109 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143212171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359631 + ... + 360028.

It is an arithmetic number, because the mean of its divisors is an integer number (35983000).

Almost surely, 2^143212141 is an apocalyptic number.

It is an amenable number.

143212141 is a deficient number, since it is larger than the sum of its proper divisors (719859).

143212141 is an equidigital number, since it uses as much as digits as its factorization.

143212141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719858.

The product of its digits is 192, while the sum is 19.

The square root of 143212141 is about 11967.1275166600. The cubic root of 143212141 is about 523.1906159668.

Adding to 143212141 its reverse (141212341), we get a palindrome (284424482).

The spelling of 143212141 in words is "one hundred forty-three million, two hundred twelve thousand, one hundred forty-one".