42142333 has 4 divisors (see below), whose sum is σ = 42515388. Its totient is φ = 41769280.

The previous prime is 42142327. The next prime is 42142339. The reversal of 42142333 is 33324124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42142327) and next prime (42142339).

It can be written as a sum of positive squares in 2 ways, for example, as 21874329 + 20268004 = 4677^2 + 4502^2 .

It is a cyclic number.

It is not a de Polignac number, because 42142333 - 2⁹ = 42141821 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 (42142339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186358 + ... + 186583.

It is an arithmetic number, because the mean of its divisors is an integer number (10628847).

Almost surely, 2^42142333 is an apocalyptic number.

It is an amenable number.

42142333 is a deficient number, since it is larger than the sum of its proper divisors (373055).

42142333 is a wasteful number, since it uses less digits than its factorization.

42142333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373054.

The product of its digits is 1728, while the sum is 22.

The square root of 42142333 is about 6491.7126399741. The cubic root of 42142333 is about 347.9948831106.

Adding to 42142333 its reverse (33324124), we get a palindrome (75466457).

The spelling of 42142333 in words is "forty-two million, one hundred forty-two thousand, three hundred thirty-three".