10142252145 has 12 divisors (see below), whose sum is σ = 17579903796. Its totient is φ = 5409201120.

The previous prime is 10142252143. The next prime is 10142252149. The reversal of 10142252145 is 54125224101.

It is a happy number.

10142252145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2773918224 + 7368333921 = 52668^2 + 85839^2 .

It is not a de Polignac number, because 10142252145 - 2¹ = 10142252143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10142252143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112691646 + ... + 112691735.

It is an arithmetic number, because the mean of its divisors is an integer number (1464991983).

Almost surely, 2^10142252145 is an apocalyptic number.

10142252145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10142252145 is a deficient number, since it is larger than the sum of its proper divisors (7437651651).

10142252145 is a wasteful number, since it uses less digits than its factorization.

10142252145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225383392 (or 225383389 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 10142252145 its reverse (54125224101), we get a palindrome (64267476246).

The spelling of 10142252145 in words is "ten billion, one hundred forty-two million, two hundred fifty-two thousand, one hundred forty-five".