45242523 has 16 divisors (see below), whose sum is σ = 69338400. Its totient is φ = 29121120.

The previous prime is 45242507. The next prime is 45242531. The reversal of 45242523 is 32524254.

It is a happy number.

45242523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45242523 - 2⁴ = 45242507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45242503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28108 + ... + 29673.

It is an arithmetic number, because the mean of its divisors is an integer number (4333650).

Almost surely, 2^45242523 is an apocalyptic number.

45242523 is a deficient number, since it is larger than the sum of its proper divisors (24095877).

45242523 is a wasteful number, since it uses less digits than its factorization.

45242523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57819 (or 57813 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 45242523 is about 6726.2562395437. The cubic root of 45242523 is about 356.3271699860.

Adding to 45242523 its reverse (32524254), we get a palindrome (77766777).

The spelling of 45242523 in words is "forty-five million, two hundred forty-two thousand, five hundred twenty-three".