10142644 has 12 divisors (see below), whose sum is σ = 17853444. Its totient is φ = 5041664.

The previous prime is 10142641. The next prime is 10142651. The reversal of 10142644 is 44624101.

10142644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9796900 + 345744 = 3130^2 + 588^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6637 + ... + 8020.

It is an arithmetic number, because the mean of its divisors is an integer number (1487787).

Almost surely, 2^10142644 is an apocalyptic number.

It is an amenable number.

10142644 is a deficient number, since it is larger than the sum of its proper divisors (7710800).

10142644 is a wasteful number, since it uses less digits than its factorization.

10142644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14834 (or 14832 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 10142644 is about 3184.7517956663. The cubic root of 10142644 is about 216.4630270731.

Adding to 10142644 its reverse (44624101), we get a palindrome (54766745).

The spelling of 10142644 in words is "ten million, one hundred forty-two thousand, six hundred forty-four".