10144454861 has 2 divisors, whose sum is σ = 10144454862. Its totient is φ = 10144454860.

The previous prime is 10144454833. The next prime is 10144454869. The reversal of 10144454861 is 16845444101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5866640836 + 4277814025 = 76594^2 + 65405^2 .

It is a cyclic number.

It is not a de Polignac number, because 10144454861 - 2¹⁴ = 10144438477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10144454869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5072227430 + 5072227431.

It is an arithmetic number, because the mean of its divisors is an integer number (5072227431).

Almost surely, 2^10144454861 is an apocalyptic number.

It is an amenable number.

10144454861 is a deficient number, since it is larger than the sum of its proper divisors (1).

10144454861 is an equidigital number, since it uses as much as digits as its factorization.

10144454861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 38.

Adding to 10144454861 its reverse (16845444101), we get a palindrome (26989898962).

The spelling of 10144454861 in words is "ten billion, one hundred forty-four million, four hundred fifty-four thousand, eight hundred sixty-one".