44742143 has 2 divisors, whose sum is σ = 44742144. Its totient is φ = 44742142.

The previous prime is 44742109. The next prime is 44742161. The reversal of 44742143 is 34124744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44742143 - 2²⁰ = 43693567 is a prime.

It is equal to p_2703557 and since 44742143 and 2703557 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44742163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22371071 + 22371072.

It is an arithmetic number, because the mean of its divisors is an integer number (22371072).

Almost surely, 2^44742143 is an apocalyptic number.

44742143 is a deficient number, since it is larger than the sum of its proper divisors (1).

44742143 is an equidigital number, since it uses as much as digits as its factorization.

44742143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 29.

The square root of 44742143 is about 6688.9567945981. The cubic root of 44742143 is about 355.0086435772.

Adding to 44742143 its reverse (34124744), we get a palindrome (78866887).

The spelling of 44742143 in words is "forty-four million, seven hundred forty-two thousand, one hundred forty-three".