45520245 has 64 divisors (see below), whose sum is σ = 85248000. Its totient is φ = 23016960.

The previous prime is 45520231. The next prime is 45520247. The reversal of 45520245 is 54202554.

45520245 is a `hidden beast` number, since 455 + 202 + 4 + 5 = 666.

It is not a de Polignac number, because 45520245 - 2⁷ = 45520117 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45520247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 305431 + ... + 305579.

It is an arithmetic number, because the mean of its divisors is an integer number (1332000).

Almost surely, 2^45520245 is an apocalyptic number.

45520245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45520245 is a deficient number, since it is larger than the sum of its proper divisors (39727755).

45520245 is a wasteful number, since it uses less digits than its factorization.

45520245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 45520245 is about 6746.8692739670. The cubic root of 45520245 is about 357.0547899807.

Adding to 45520245 its reverse (54202554), we get a palindrome (99722799).

The spelling of 45520245 in words is "forty-five million, five hundred twenty thousand, two hundred forty-five".