45891245 has 8 divisors (see below), whose sum is σ = 58308984. Its totient is φ = 34553344.

The previous prime is 45891229. The next prime is 45891271. The reversal of 45891245 is 54219854.

It can be written as a sum of positive squares in 4 ways, for example, as 6791236 + 39100009 = 2606^2 + 6253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45891245 - 2⁴ = 45891229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45891199 and 45891208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269864 + ... + 270033.

It is an arithmetic number, because the mean of its divisors is an integer number (7288623).

Almost surely, 2^45891245 is an apocalyptic number.

It is an amenable number.

45891245 is a deficient number, since it is larger than the sum of its proper divisors (12417739).

45891245 is a wasteful number, since it uses less digits than its factorization.

45891245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539919.

The product of its digits is 57600, while the sum is 38.

The square root of 45891245 is about 6774.3077137077. The cubic root of 45891245 is about 358.0221915439.

The spelling of 45891245 in words is "forty-five million, eight hundred ninety-one thousand, two hundred forty-five".