45731777 has 16 divisors (see below), whose sum is σ = 56593152. Its totient is φ = 35985600.

The previous prime is 45731771. The next prime is 45731779. The reversal of 45731777 is 77713754.

It is not a de Polignac number, because 45731777 - 2¹⁰ = 45730753 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (45731771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16652 + ... + 19202.

It is an arithmetic number, because the mean of its divisors is an integer number (3537072).

Almost surely, 2^45731777 is an apocalyptic number.

It is an amenable number.

45731777 is a deficient number, since it is larger than the sum of its proper divisors (10861375).

45731777 is a wasteful number, since it uses less digits than its factorization.

45731777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768.

The product of its digits is 144060, while the sum is 41.

The square root of 45731777 is about 6762.5274121441. The cubic root of 45731777 is about 357.6070118298.

The spelling of 45731777 in words is "forty-five million, seven hundred thirty-one thousand, seven hundred seventy-seven".