10144442545 has 4 divisors (see below), whose sum is σ = 12173331060. Its totient is φ = 8115554032.

The previous prime is 10144442533. The next prime is 10144442569. The reversal of 10144442545 is 54524444101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2459465649 + 7684976896 = 49593^2 + 87664^2 .

It is a cyclic number.

It is not a de Polignac number, because 10144442545 - 2⁷ = 10144442417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10144442545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014444250 + ... + 1014444259.

It is an arithmetic number, because the mean of its divisors is an integer number (3043332765).

Almost surely, 2^10144442545 is an apocalyptic number.

It is an amenable number.

10144442545 is a deficient number, since it is larger than the sum of its proper divisors (2028888515).

10144442545 is an equidigital number, since it uses as much as digits as its factorization.

10144442545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028888514.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 10144442545 its reverse (54524444101), we get a palindrome (64668886646).

The spelling of 10144442545 in words is "ten billion, one hundred forty-four million, four hundred forty-two thousand, five hundred forty-five".