45388787 has 2 divisors, whose sum is σ = 45388788. Its totient is φ = 45388786.

The previous prime is 45388781. The next prime is 45388801. The reversal of 45388787 is 78788354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45388787 - 2⁴ = 45388771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45388781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22694393 + 22694394.

It is an arithmetic number, because the mean of its divisors is an integer number (22694394).

Almost surely, 2^45388787 is an apocalyptic number.

45388787 is a deficient number, since it is larger than the sum of its proper divisors (1).

45388787 is an equidigital number, since it uses as much as digits as its factorization.

45388787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1505280, while the sum is 50.

The square root of 45388787 is about 6737.1200820529. The cubic root of 45388787 is about 356.7107455155.

The spelling of 45388787 in words is "forty-five million, three hundred eighty-eight thousand, seven hundred eighty-seven".