42142255 has 8 divisors (see below), whose sum is σ = 50684112. Its totient is φ = 33638208.

The previous prime is 42142253. The next prime is 42142259. The reversal of 42142255 is 55224124.

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 42142255 - 2¹ = 42142253 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 (42142253) 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 7 ways as a sum of consecutive naturals, for example, 6937 + ... + 11506.

It is an arithmetic number, because the mean of its divisors is an integer number (6335514).

Almost surely, 2^42142255 is an apocalyptic number.

42142255 is a deficient number, since it is larger than the sum of its proper divisors (8541857).

42142255 is a wasteful number, since it uses less digits than its factorization.

42142255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18905.

The product of its digits is 3200, while the sum is 25.

The square root of 42142255 is about 6491.7066323117. The cubic root of 42142255 is about 347.9946684126.

Adding to 42142255 its reverse (55224124), we get a palindrome (97366379).

The spelling of 42142255 in words is "forty-two million, one hundred forty-two thousand, two hundred fifty-five".