4545756523 has 16 divisors (see below), whose sum is σ = 5774374656. Its totient is φ = 3475311840.

The previous prime is 4545756521. The next prime is 4545756529. The reversal of 4545756523 is 3256575454.

It is a happy number.

It is not a de Polignac number, because 4545756523 - 2¹ = 4545756521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4545756521) 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, 552861 + ... + 561022.

It is an arithmetic number, because the mean of its divisors is an integer number (360898416).

Almost surely, 2^4545756523 is an apocalyptic number.

4545756523 is a deficient number, since it is larger than the sum of its proper divisors (1228618133).

4545756523 is a wasteful number, since it uses less digits than its factorization.

4545756523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113954.

The product of its digits is 2520000, while the sum is 46.

The square root of 4545756523 is about 67422.2257345454. The cubic root of 4545756523 is about 1656.5404948575.

The spelling of 4545756523 in words is "four billion, five hundred forty-five million, seven hundred fifty-six thousand, five hundred twenty-three".