42142141 has 8 divisors (see below), whose sum is σ = 44403840. Its totient is φ = 39916272.

The previous prime is 42142091. The next prime is 42142151. The reversal of 42142141 is 14124124.

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 42142141 - 2⁷ = 42142013 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 (42142151) 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, 6526 + ... + 11263.

It is an arithmetic number, because the mean of its divisors is an integer number (5550480).

Almost surely, 2^42142141 is an apocalyptic number.

It is an amenable number.

42142141 is a deficient number, since it is larger than the sum of its proper divisors (2261699).

42142141 is a wasteful number, since it uses less digits than its factorization.

42142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17915.

The product of its digits is 256, while the sum is 19.

The square root of 42142141 is about 6491.6978518720. The cubic root of 42142141 is about 347.9943546228.

Adding to 42142141 its reverse (14124124), we get a palindrome (56266265).

The spelling of 42142141 in words is "forty-two million, one hundred forty-two thousand, one hundred forty-one".