10027440145 has 4 divisors (see below), whose sum is σ = 12032928180. Its totient is φ = 8021952112.

The previous prime is 10027440139. The next prime is 10027440149. The reversal of 10027440145 is 54104472001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54104472001 = 43397 ⋅1246733.

It can be written as a sum of positive squares in 2 ways, for example, as 5121978624 + 4905461521 = 71568^2 + 70039^2 .

It is a cyclic number.

It is not a de Polignac number, because 10027440145 - 2²¹ = 10025342993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10027440149) 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, 1002744010 + ... + 1002744019.

It is an arithmetic number, because the mean of its divisors is an integer number (3008232045).

Almost surely, 2^10027440145 is an apocalyptic number.

It is an amenable number.

10027440145 is a deficient number, since it is larger than the sum of its proper divisors (2005488035).

10027440145 is an equidigital number, since it uses as much as digits as its factorization.

10027440145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005488034.

The product of its (nonzero) digits is 4480, while the sum is 28.

The spelling of 10027440145 in words is "ten billion, twenty-seven million, four hundred forty thousand, one hundred forty-five".