45287370 has 64 divisors (see below), whose sum is σ = 123742080. Its totient is φ = 11779200.

The previous prime is 45287369. The next prime is 45287381. The reversal of 45287370 is 7378254.

45287370 is a `hidden beast` number, since 4 + 5 + 287 + 370 = 666.

45287370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9025 + ... + 13115.

It is an arithmetic number, because the mean of its divisors is an integer number (1933470).

Almost surely, 2^45287370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45287370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61871040).

45287370 is an abundant number, since it is smaller than the sum of its proper divisors (78454710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45287370 is a wasteful number, since it uses less digits than its factorization.

45287370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148 (or 4142 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 45287370 is about 6729.5891405048. The cubic root of 45287370 is about 356.4448684569. Note that the first 3 decimals are identical.

The spelling of 45287370 in words is "forty-five million, two hundred eighty-seven thousand, three hundred seventy".