42142443 has 8 divisors (see below), whose sum is σ = 64217088. Its totient is φ = 24081384.

The previous prime is 42142427. The next prime is 42142453. The reversal of 42142443 is 34424124.

It is a happy number.

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

It is not a de Polignac number, because 42142443 - 2⁴ = 42142427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42142403) 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, 1003371 + ... + 1003412.

It is an arithmetic number, because the mean of its divisors is an integer number (8027136).

Almost surely, 2^42142443 is an apocalyptic number.

42142443 is a deficient number, since it is larger than the sum of its proper divisors (22074645).

42142443 is a wasteful number, since it uses less digits than its factorization.

42142443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006793.

The product of its digits is 3072, while the sum is 24.

The square root of 42142443 is about 6491.7211123091. The cubic root of 42142443 is about 347.9951858893.

Adding to 42142443 its reverse (34424124), we get a palindrome (76566567).

The spelling of 42142443 in words is "forty-two million, one hundred forty-two thousand, four hundred forty-three".