10142428 has 24 divisors (see below), whose sum is σ = 18864720. Its totient is φ = 4757760.

The previous prime is 10142399. The next prime is 10142441. The reversal of 10142428 is 82424101.

10142428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10142399 and 10142408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7998 + ... + 9178.

It is an arithmetic number, because the mean of its divisors is an integer number (786030).

Almost surely, 2^10142428 is an apocalyptic number.

It is an amenable number.

10142428 is a deficient number, since it is larger than the sum of its proper divisors (8722292).

10142428 is a wasteful number, since it uses less digits than its factorization.

10142428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 10142428 is about 3184.7178838949. The cubic root of 10142428 is about 216.4614904473.

Adding to 10142428 its reverse (82424101), we get a palindrome (92566529).

The spelling of 10142428 in words is "ten million, one hundred forty-two thousand, four hundred twenty-eight".