10144454261 has 8 divisors (see below), whose sum is σ = 10209068184. Its totient is φ = 10080046080.

The previous prime is 10144454239. The next prime is 10144454321. The reversal of 10144454261 is 16245444101.

It can be written as a sum of positive squares in 4 ways, for example, as 213335236 + 9931119025 = 14606^2 + 99655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10144454261 is a prime.

It is a super-2 number, since 2×10144454261² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10144454861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48101 + ... + 150341.

It is an arithmetic number, because the mean of its divisors is an integer number (1276133523).

Almost surely, 2^10144454261 is an apocalyptic number.

It is an amenable number.

10144454261 is a deficient number, since it is larger than the sum of its proper divisors (64613923).

10144454261 is a wasteful number, since it uses less digits than its factorization.

10144454261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102871.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 10144454261 its reverse (16245444101), we get a palindrome (26389898362).

The spelling of 10144454261 in words is "ten billion, one hundred forty-four million, four hundred fifty-four thousand, two hundred sixty-one".