4013045145 has 12 divisors (see below), whose sum is σ = 6955944996. Its totient is φ = 2140290720.

The previous prime is 4013045137. The next prime is 4013045147. The reversal of 4013045145 is 5415403104.

It is a happy number.

4013045145 is a `hidden beast` number, since 40 + 130 + 451 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2568056976 + 1444988169 = 50676^2 + 38013^2 .

It is not a de Polignac number, because 4013045145 - 2³ = 4013045137 is a prime.

It is a super-2 number, since 2×4013045145² = 32209062671616142050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4013045147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44589346 + ... + 44589435.

It is an arithmetic number, because the mean of its divisors is an integer number (579662083).

Almost surely, 2^4013045145 is an apocalyptic number.

4013045145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4013045145 is a deficient number, since it is larger than the sum of its proper divisors (2942899851).

4013045145 is a wasteful number, since it uses less digits than its factorization.

4013045145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89178792 (or 89178789 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4013045145 is about 63348.6001818509. The cubic root of 4013045145 is about 1589.1248358146.

Adding to 4013045145 its reverse (5415403104), we get a palindrome (9428448249).

The spelling of 4013045145 in words is "four billion, thirteen million, forty-five thousand, one hundred forty-five".