10142769 has 32 divisors (see below), whose sum is σ = 16982784. Its totient is φ = 5241600.

The previous prime is 10142753. The next prime is 10142771. The reversal of 10142769 is 96724101.

It is a happy number.

It is not a de Polignac number, because 10142769 - 2⁴ = 10142753 is a prime.

It is a super-2 number, since 2×10142769² = 205751525974722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (10142269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14119 + ... + 14819.

It is an arithmetic number, because the mean of its divisors is an integer number (530712).

Almost surely, 2^10142769 is an apocalyptic number.

It is an amenable number.

10142769 is a deficient number, since it is larger than the sum of its proper divisors (6840015).

10142769 is a wasteful number, since it uses less digits than its factorization.

10142769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 10142769 is about 3184.7714203691. The cubic root of 10142769 is about 216.4639163142.

The spelling of 10142769 in words is "ten million, one hundred forty-two thousand, seven hundred sixty-nine".