4013230545 has 24 divisors (see below), whose sum is σ = 7365459816. Its totient is φ = 2014483968.

The previous prime is 4013230523. The next prime is 4013230583. The reversal of 4013230545 is 5450323104.

It can be written as a sum of positive squares in 4 ways, for example, as 1819619649 + 2193610896 = 42657^2 + 46836^2 .

It is not a de Polignac number, because 4013230545 - 2⁵ = 4013230513 is a prime.

It is a super-2 number, since 2×4013230545² = 32212038814641994050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2622262 + ... + 2623791.

It is an arithmetic number, because the mean of its divisors is an integer number (306894159).

Almost surely, 2^4013230545 is an apocalyptic number.

4013230545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4013230545 is a deficient number, since it is larger than the sum of its proper divisors (3352229271).

4013230545 is a wasteful number, since it uses less digits than its factorization.

4013230545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5246081 (or 5246078 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 4013230545 is about 63350.0634964165. The cubic root of 4013230545 is about 1589.1493076057.

Adding to 4013230545 its reverse (5450323104), we get a palindrome (9463553649).

The spelling of 4013230545 in words is "four billion, thirteen million, two hundred thirty thousand, five hundred forty-five".