10144454421 has 32 divisors (see below), whose sum is σ = 14429076480. Its totient is φ = 6317558784.

The previous prime is 10144454399. The next prime is 10144454473. The reversal of 10144454421 is 12445444101.

It is not a de Polignac number, because 10144454421 - 2⁶ = 10144454357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10144454321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4422951 + ... + 4425243.

It is an arithmetic number, because the mean of its divisors is an integer number (450908640).

Almost surely, 2^10144454421 is an apocalyptic number.

It is an amenable number.

10144454421 is a deficient number, since it is larger than the sum of its proper divisors (4284622059).

10144454421 is a wasteful number, since it uses less digits than its factorization.

10144454421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 10144454421 its reverse (12445444101), we get a palindrome (22589898522).

The spelling of 10144454421 in words is "ten billion, one hundred forty-four million, four hundred fifty-four thousand, four hundred twenty-one".