10142305 has 4 divisors (see below), whose sum is σ = 12170772. Its totient is φ = 8113840.

The previous prime is 10142303. The next prime is 10142309. The reversal of 10142305 is 50324101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50324101 = 109 ⋅461689.

It can be written as a sum of positive squares in 2 ways, for example, as 3972049 + 6170256 = 1993^2 + 2484^2 .

It is not a de Polignac number, because 10142305 - 2¹ = 10142303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10142303) 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, 1014226 + ... + 1014235.

It is an arithmetic number, because the mean of its divisors is an integer number (3042693).

Almost surely, 2^10142305 is an apocalyptic number.

It is an amenable number.

10142305 is a deficient number, since it is larger than the sum of its proper divisors (2028467).

10142305 is an equidigital number, since it uses as much as digits as its factorization.

10142305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028466.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10142305 is about 3184.6985728637. The cubic root of 10142305 is about 216.4606154145.

Adding to 10142305 its reverse (50324101), we get a palindrome (60466406).

The spelling of 10142305 in words is "ten million, one hundred forty-two thousand, three hundred five".