45251245 has 16 divisors (see below), whose sum is σ = 58851072. Its totient is φ = 33203520.

The previous prime is 45251231. The next prime is 45251257. The reversal of 45251245 is 54215254.

It is not a de Polignac number, because 45251245 - 2²¹ = 43154093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8460 + ... + 12730.

It is an arithmetic number, because the mean of its divisors is an integer number (3678192).

Almost surely, 2^45251245 is an apocalyptic number.

It is an amenable number.

45251245 is a deficient number, since it is larger than the sum of its proper divisors (13599827).

45251245 is a wasteful number, since it uses less digits than its factorization.

45251245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452.

The product of its digits is 8000, while the sum is 28.

The square root of 45251245 is about 6726.9045630215. The cubic root of 45251245 is about 356.3500664831.

Adding to 45251245 its reverse (54215254), we get a palindrome (99466499).

The spelling of 45251245 in words is "forty-five million, two hundred fifty-one thousand, two hundred forty-five".