42252143 has 8 divisors (see below), whose sum is σ = 45141120. Its totient is φ = 39429720.

The previous prime is 42252137. The next prime is 42252151. The reversal of 42252143 is 34125224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42252143 - 2¹⁰ = 42251119 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 (42252193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15323 + ... + 17868.

It is an arithmetic number, because the mean of its divisors is an integer number (5642640).

Almost surely, 2^42252143 is an apocalyptic number.

42252143 is a deficient number, since it is larger than the sum of its proper divisors (2888977).

42252143 is a wasteful number, since it uses less digits than its factorization.

42252143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33277.

The product of its digits is 1920, while the sum is 23.

The square root of 42252143 is about 6500.1648440636. The cubic root of 42252143 is about 348.2968769540.

Adding to 42252143 its reverse (34125224), we get a palindrome (76377367).

The spelling of 42252143 in words is "forty-two million, two hundred fifty-two thousand, one hundred forty-three".