45255987 has 12 divisors (see below), whose sum is σ = 74708400. Its totient is φ = 25860528.

The previous prime is 45255953. The next prime is 45256007. The reversal of 45255987 is 78955254.

45255987 is a `hidden beast` number, since 4 + 52 + 5 + 598 + 7 = 666.

45255987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45255987 - 2¹¹ = 45253939 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45255487) by changing a digit.

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, 359112 + ... + 359237.

It is an arithmetic number, because the mean of its divisors is an integer number (6225700).

Almost surely, 2^45255987 is an apocalyptic number.

45255987 is a deficient number, since it is larger than the sum of its proper divisors (29452413).

45255987 is a wasteful number, since it uses less digits than its factorization.

45255987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718362 (or 718359 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 45255987 is about 6727.2570190234. The cubic root of 45255987 is about 356.3625136764.

The spelling of 45255987 in words is "forty-five million, two hundred fifty-five thousand, nine hundred eighty-seven".