41442143 has 4 divisors (see below), whose sum is σ = 41455128. Its totient is φ = 41429160.

The previous prime is 41442091. The next prime is 41442151. The reversal of 41442143 is 34124414.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41442143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41442043) 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, 1988 + ... + 9318.

It is an arithmetic number, because the mean of its divisors is an integer number (10363782).

Almost surely, 2^41442143 is an apocalyptic number.

41442143 is a deficient number, since it is larger than the sum of its proper divisors (12985).

41442143 is an equidigital number, since it uses as much as digits as its factorization.

41442143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12984.

The product of its digits is 1536, while the sum is 23.

The square root of 41442143 is about 6437.5572230466. The cubic root of 41442143 is about 346.0568112579.

Adding to 41442143 its reverse (34124414), we get a palindrome (75566557).

The spelling of 41442143 in words is "forty-one million, four hundred forty-two thousand, one hundred forty-three".