45773771 has 4 divisors (see below), whose sum is σ = 46418544. Its totient is φ = 45129000.

The previous prime is 45773759. The next prime is 45773779. The reversal of 45773771 is 17737754.

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 45773771 - 2¹⁰ = 45772747 is a prime.

It is a super-2 number, since 2×45773771² = 4190476223120882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45773779) 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, 322280 + ... + 322421.

It is an arithmetic number, because the mean of its divisors is an integer number (11604636).

Almost surely, 2^45773771 is an apocalyptic number.

45773771 is a deficient number, since it is larger than the sum of its proper divisors (644773).

45773771 is an equidigital number, since it uses as much as digits as its factorization.

45773771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644772.

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

The square root of 45773771 is about 6765.6316039229. The cubic root of 45773771 is about 357.7164379629.

It can be divided in two parts, 4 and 5773771, that added together give a palindrome (5773775).

The spelling of 45773771 in words is "forty-five million, seven hundred seventy-three thousand, seven hundred seventy-one".