45785523 has 16 divisors (see below), whose sum is σ = 70105856. Its totient is φ = 26036640.

The previous prime is 45785521. The next prime is 45785533. The reversal of 45785523 is 32558754.

It is not a de Polignac number, because 45785523 - 2¹ = 45785521 is a prime.

It is the 6767-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45785521) by changing a digit.

It is a nontrivial repunit in base 6766.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736 + ... + 9597.

It is an arithmetic number, because the mean of its divisors is an integer number (4381616).

Almost surely, 2^45785523 is an apocalyptic number.

45785523 is a deficient number, since it is larger than the sum of its proper divisors (24320333).

45785523 is a wasteful number, since it uses less digits than its factorization.

45785523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10554.

The product of its digits is 168000, while the sum is 39.

The square root of 45785523 is about 6766.5000554201. The cubic root of 45785523 is about 357.7470488256.

It can be divided in two parts, 4578 and 5523, that added together give a palindrome (10101).

The spelling of 45785523 in words is "forty-five million, seven hundred eighty-five thousand, five hundred twenty-three".