45489767 has 4 divisors (see below), whose sum is σ = 46260840. Its totient is φ = 44718696.

The previous prime is 45489757. The next prime is 45489779. The reversal of 45489767 is 76798454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76798454 = 2 ⋅38399227.

It is not a de Polignac number, because 45489767 - 2²⁰ = 44441191 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 (45489737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385448 + ... + 385565.

It is an arithmetic number, because the mean of its divisors is an integer number (11565210).

Almost surely, 2^45489767 is an apocalyptic number.

45489767 is a deficient number, since it is larger than the sum of its proper divisors (771073).

45489767 is an equidigital number, since it uses as much as digits as its factorization.

45489767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771072.

The product of its digits is 1693440, while the sum is 50.

The square root of 45489767 is about 6744.6102185375. The cubic root of 45489767 is about 356.9750837201.

The spelling of 45489767 in words is "forty-five million, four hundred eighty-nine thousand, seven hundred sixty-seven".