143542143 has 6 divisors (see below), whose sum is σ = 207338664. Its totient is φ = 95694756.

The previous prime is 143542111. The next prime is 143542171. The reversal of 143542143 is 341245341.

It is a happy number.

It is not a de Polignac number, because 143542143 - 2⁵ = 143542111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143542043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7974555 + ... + 7974572.

It is an arithmetic number, because the mean of its divisors is an integer number (34556444).

Almost surely, 2^143542143 is an apocalyptic number.

143542143 is a deficient number, since it is larger than the sum of its proper divisors (63796521).

143542143 is a wasteful number, since it uses less digits than its factorization.

143542143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15949133 (or 15949130 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 143542143 is about 11980.9074364173. The cubic root of 143542143 is about 523.5921682913.

Adding to 143542143 its reverse (341245341), we get a palindrome (484787484).

The spelling of 143542143 in words is "one hundred forty-three million, five hundred forty-two thousand, one hundred forty-three".