10291142 has 8 divisors (see below), whose sum is σ = 15586896. Its totient is φ = 5095512.

The previous prime is 10291139. The next prime is 10291157. The reversal of 10291142 is 24119201.

10291142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24773 + ... + 25184.

It is an arithmetic number, because the mean of its divisors is an integer number (1948362).

Almost surely, 2^10291142 is an apocalyptic number.

10291142 is a deficient number, since it is larger than the sum of its proper divisors (5295754).

10291142 is a wasteful number, since it uses less digits than its factorization.

10291142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50062.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 10291142 is about 3207.9809849811. The cubic root of 10291142 is about 217.5143215126.

The spelling of 10291142 in words is "ten million, two hundred ninety-one thousand, one hundred forty-two".