42250143 has 8 divisors (see below), whose sum is σ = 60666928. Its totient is φ = 26000064.

The previous prime is 42250097. The next prime is 42250147. The reversal of 42250143 is 34105224.

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

It is not a de Polignac number, because 42250143 - 2¹⁴ = 42233759 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 (42250147) 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, 541630 + ... + 541707.

It is an arithmetic number, because the mean of its divisors is an integer number (7583366).

Almost surely, 2^42250143 is an apocalyptic number.

42250143 is a deficient number, since it is larger than the sum of its proper divisors (18416785).

42250143 is a wasteful number, since it uses less digits than its factorization.

42250143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083353.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42250143 is about 6500.0109999907. The cubic root of 42250143 is about 348.2913813374.

Adding to 42250143 its reverse (34105224), we get a palindrome (76355367).

The spelling of 42250143 in words is "forty-two million, two hundred fifty thousand, one hundred forty-three".