143042541 has 4 divisors (see below), whose sum is σ = 190723392. Its totient is φ = 95361692.

The previous prime is 143042527. The next prime is 143042561. The reversal of 143042541 is 145240341.

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 143042541 - 2⁵ = 143042509 is a prime.

It is a super-2 number, since 2×143042541² = 40922337071473362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143042561) 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, 23840421 + ... + 23840426.

It is an arithmetic number, because the mean of its divisors is an integer number (47680848).

Almost surely, 2^143042541 is an apocalyptic number.

It is an amenable number.

143042541 is a deficient number, since it is larger than the sum of its proper divisors (47680851).

143042541 is an equidigital number, since it uses as much as digits as its factorization.

143042541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47680850.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 143042541 is about 11960.0393394002. The cubic root of 143042541 is about 522.9840036444.

Adding to 143042541 its reverse (145240341), we get a palindrome (288282882).

The spelling of 143042541 in words is "one hundred forty-three million, forty-two thousand, five hundred forty-one".