4045142523 has 16 divisors (see below), whose sum is σ = 5433518880. Its totient is φ = 2676800256.

The previous prime is 4045142513. The next prime is 4045142527. The reversal of 4045142523 is 3252415404.

It is not a de Polignac number, because 4045142523 - 2²⁴ = 4028365307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4045142527) 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, 512773 + ... + 520601.

It is an arithmetic number, because the mean of its divisors is an integer number (339594930).

Almost surely, 2^4045142523 is an apocalyptic number.

4045142523 is a deficient number, since it is larger than the sum of its proper divisors (1388376357).

4045142523 is a wasteful number, since it uses less digits than its factorization.

4045142523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9086.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 4045142523 is about 63601.4349130584. The cubic root of 4045142523 is about 1593.3503346876.

Adding to 4045142523 its reverse (3252415404), we get a palindrome (7297557927).

The spelling of 4045142523 in words is "four billion, forty-five million, one hundred forty-two thousand, five hundred twenty-three".