45242525 has 12 divisors (see below), whose sum is σ = 59401332. Its totient is φ = 34064640.

The previous prime is 45242507. The next prime is 45242531. The reversal of 45242525 is 52524254.

45242525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1338649 + 43903876 = 1157^2 + 6626^2 .

It is not a de Polignac number, because 45242525 - 2¹⁰ = 45241501 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 52802 + ... + 53651.

It is an arithmetic number, because the mean of its divisors is an integer number (4950111).

Almost surely, 2^45242525 is an apocalyptic number.

It is an amenable number.

45242525 is a deficient number, since it is larger than the sum of its proper divisors (14158807).

45242525 is a wasteful number, since it uses less digits than its factorization.

45242525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106480 (or 106475 counting only the distinct ones).

The product of its digits is 16000, while the sum is 29.

The square root of 45242525 is about 6726.2563882148. The cubic root of 45242525 is about 356.3271752366.

Adding to 45242525 its reverse (52524254), we get a palindrome (97766779).

The spelling of 45242525 in words is "forty-five million, two hundred forty-two thousand, five hundred twenty-five".