44142143 has 4 divisors (see below), whose sum is σ = 44250480. Its totient is φ = 44033808.

The previous prime is 44142103. The next prime is 44142157. The reversal of 44142143 is 34124144.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44142143 - 2²⁴ = 27364927 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 (44142103) 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, 53555 + ... + 54372.

It is an arithmetic number, because the mean of its divisors is an integer number (11062620).

Almost surely, 2^44142143 is an apocalyptic number.

44142143 is a deficient number, since it is larger than the sum of its proper divisors (108337).

44142143 is a wasteful number, since it uses less digits than its factorization.

44142143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108336.

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

The square root of 44142143 is about 6643.9553731192. The cubic root of 44142143 is about 353.4145872425.

Adding to 44142143 its reverse (34124144), we get a palindrome (78266287).

The spelling of 44142143 in words is "forty-four million, one hundred forty-two thousand, one hundred forty-three".