42537143 has 16 divisors (see below), whose sum is σ = 50976000. Its totient is φ = 35038080.

The previous prime is 42537139. The next prime is 42537149. The reversal of 42537143 is 34173524.

It is a happy number.

It is not a de Polignac number, because 42537143 - 2² = 42537139 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 (42537149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383 + ... + 9231.

It is an arithmetic number, because the mean of its divisors is an integer number (3186000).

Almost surely, 2^42537143 is an apocalyptic number.

42537143 is a deficient number, since it is larger than the sum of its proper divisors (8438857).

42537143 is a wasteful number, since it uses less digits than its factorization.

42537143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8902.

The product of its digits is 10080, while the sum is 29.

The square root of 42537143 is about 6522.0505211168. The cubic root of 42537143 is about 349.0782357863.

The spelling of 42537143 in words is "forty-two million, five hundred thirty-seven thousand, one hundred forty-three".