10142065 has 4 divisors (see below), whose sum is σ = 12170484. Its totient is φ = 8113648.

The previous prime is 10142059. The next prime is 10142071. The reversal of 10142065 is 56024101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10142059) and next prime (10142071).

It can be written as a sum of positive squares in 2 ways, for example, as 7306209 + 2835856 = 2703^2 + 1684^2 .

It is a cyclic number.

It is not a de Polignac number, because 10142065 - 2⁹ = 10141553 is a prime.

It is a super-2 number, since 2×10142065² = 205722964928450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014202 + ... + 1014211.

It is an arithmetic number, because the mean of its divisors is an integer number (3042621).

Almost surely, 2^10142065 is an apocalyptic number.

It is an amenable number.

10142065 is a deficient number, since it is larger than the sum of its proper divisors (2028419).

10142065 is an equidigital number, since it uses as much as digits as its factorization.

10142065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028418.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10142065 is about 3184.6608924656. The cubic root of 10142065 is about 216.4589080131.

Adding to 10142065 its reverse (56024101), we get a palindrome (66166166).

The spelling of 10142065 in words is "ten million, one hundred forty-two thousand, sixty-five".