45020245 has 16 divisors (see below), whose sum is σ = 55520640. Its totient is φ = 35032000.

The previous prime is 45020243. The next prime is 45020249. The reversal of 45020245 is 54202054.

It is not a de Polignac number, because 45020245 - 2¹ = 45020243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29040 + ... + 30550.

It is an arithmetic number, because the mean of its divisors is an integer number (3470040).

Almost surely, 2^45020245 is an apocalyptic number.

It is an amenable number.

45020245 is a deficient number, since it is larger than the sum of its proper divisors (10500395).

45020245 is a wasteful number, since it uses less digits than its factorization.

45020245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 45020245 is about 6709.7127360268. The cubic root of 45020245 is about 355.7426626778.

Adding to 45020245 its reverse (54202054), we get a palindrome (99222299).

The spelling of 45020245 in words is "forty-five million, twenty thousand, two hundred forty-five".