6144143461 has 4 divisors (see below), whose sum is σ = 6168050892. Its totient is φ = 6120236032.

The previous prime is 6144143459. The next prime is 6144143483. The reversal of 6144143461 is 1643414416.

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 5170329025 + 973814436 = 71905^2 + 31206^2 .

It is a cyclic number.

It is not a de Polignac number, because 6144143461 - 2¹ = 6144143459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6144143431) 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, 11953330 + ... + 11953843.

It is an arithmetic number, because the mean of its divisors is an integer number (1542012723).

Almost surely, 2^6144143461 is an apocalyptic number.

It is an amenable number.

6144143461 is a deficient number, since it is larger than the sum of its proper divisors (23907431).

6144143461 is a wasteful number, since it uses less digits than its factorization.

6144143461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23907430.

The product of its digits is 27648, while the sum is 34.

The square root of 6144143461 is about 78384.5868841573. The cubic root of 6144143461 is about 1831.5570433433.

Adding to 6144143461 its reverse (1643414416), we get a palindrome (7787557877).

The spelling of 6144143461 in words is "six billion, one hundred forty-four million, one hundred forty-three thousand, four hundred sixty-one".