10142642 has 16 divisors (see below), whose sum is σ = 16630272. Its totient is φ = 4618560.

The previous prime is 10142641. The next prime is 10142651. The reversal of 10142642 is 24624101.

10142642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10142641) 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, 3758 + ... + 5865.

It is an arithmetic number, because the mean of its divisors is an integer number (1039392).

Almost surely, 2^10142642 is an apocalyptic number.

10142642 is a deficient number, since it is larger than the sum of its proper divisors (6487630).

10142642 is a wasteful number, since it uses less digits than its factorization.

10142642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9673.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 10142642 is about 3184.7514816701. The cubic root of 10142642 is about 216.4630128452.

Adding to 10142642 its reverse (24624101), we get a palindrome (34766743).

The spelling of 10142642 in words is "ten million, one hundred forty-two thousand, six hundred forty-two".