45445159 has 4 divisors (see below), whose sum is σ = 45554040. Its totient is φ = 45336280.

The previous prime is 45445157. The next prime is 45445177. The reversal of 45445159 is 95154454.

45445159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45445159 - 2¹ = 45445157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45445157) 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 3 ways as a sum of consecutive naturals, for example, 53812 + ... + 54649.

It is an arithmetic number, because the mean of its divisors is an integer number (11388510).

Almost surely, 2^45445159 is an apocalyptic number.

45445159 is a deficient number, since it is larger than the sum of its proper divisors (108881).

45445159 is a wasteful number, since it uses less digits than its factorization.

45445159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108880.

The product of its digits is 72000, while the sum is 37.

The square root of 45445159 is about 6741.3024705913. The cubic root of 45445159 is about 356.8583603812.

The spelling of 45445159 in words is "forty-five million, four hundred forty-five thousand, one hundred fifty-nine".