3995263145 has 16 divisors (see below), whose sum is σ = 4929058128. Its totient is φ = 3106563840.

The previous prime is 3995263141. The next prime is 3995263157. The reversal of 3995263145 is 5413625993.

It can be written as a sum of positive squares in 8 ways, for example, as 269747776 + 3725515369 = 16424^2 + 61037^2 .

It is not a de Polignac number, because 3995263145 - 2² = 3995263141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3995263145.

It is not an unprimeable number, because it can be changed into a prime (3995263141) 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, 173615 + ... + 195275.

It is an arithmetic number, because the mean of its divisors is an integer number (308066133).

Almost surely, 2^3995263145 is an apocalyptic number.

It is an amenable number.

3995263145 is a deficient number, since it is larger than the sum of its proper divisors (933794983).

3995263145 is a wasteful number, since it uses less digits than its factorization.

3995263145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22700.

The product of its digits is 874800, while the sum is 47.

The square root of 3995263145 is about 63208.0939832867. The cubic root of 3995263145 is about 1586.7741970755.

The spelling of 3995263145 in words is "three billion, nine hundred ninety-five million, two hundred sixty-three thousand, one hundred forty-five".