6144995945 has 16 divisors (see below), whose sum is σ = 8103086208. Its totient is φ = 4436461440.

The previous prime is 6144995939. The next prime is 6144995947. The reversal of 6144995945 is 5495994416.

It is not a de Polignac number, because 6144995945 - 2⁴ = 6144995929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6144995947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400229 + ... + 415298.

It is an arithmetic number, because the mean of its divisors is an integer number (506442888).

Almost surely, 2^6144995945 is an apocalyptic number.

It is an amenable number.

6144995945 is a deficient number, since it is larger than the sum of its proper divisors (1958090263).

6144995945 is a wasteful number, since it uses less digits than its factorization.

6144995945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815680.

The product of its digits is 6998400, while the sum is 56.

The square root of 6144995945 is about 78390.0245248080. The cubic root of 6144995945 is about 1831.6417473587.

The spelling of 6144995945 in words is "six billion, one hundred forty-four million, nine hundred ninety-five thousand, nine hundred forty-five".