10042142 has 8 divisors (see below), whose sum is σ = 16432632. Its totient is φ = 4564600.

The previous prime is 10042141. The next prime is 10042147. The reversal of 10042142 is 24124001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10042141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228209 + ... + 228252.

It is an arithmetic number, because the mean of its divisors is an integer number (2054079).

Almost surely, 2^10042142 is an apocalyptic number.

10042142 is a deficient number, since it is larger than the sum of its proper divisors (6390490).

10042142 is a wasteful number, since it uses less digits than its factorization.

10042142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456474.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 10042142 is about 3168.9338901277. The cubic root of 10042142 is about 215.7456854887.

Adding to 10042142 its reverse (24124001), we get a palindrome (34166143).

The spelling of 10042142 in words is "ten million, forty-two thousand, one hundred forty-two".