45777856 has 28 divisors (see below), whose sum is σ = 91109800. Its totient is φ = 22821120.

The previous prime is 45777841. The next prime is 45777857. The reversal of 45777856 is 65877754.

It is a happy number.

It is a super-2 number, since 2×45777856² = 4191224199913472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45777857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26095 + ... + 27793.

Almost surely, 2^45777856 is an apocalyptic number.

It is an amenable number.

45777856 is a deficient number, since it is larger than the sum of its proper divisors (45331944).

45777856 is a wasteful number, since it uses less digits than its factorization.

45777856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132 (or 2122 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 49.

The square root of 45777856 is about 6765.9334906574. The cubic root of 45777856 is about 357.7270789053.

The spelling of 45777856 in words is "forty-five million, seven hundred seventy-seven thousand, eight hundred fifty-six".