45504773 has 4 divisors (see below), whose sum is σ = 45640140. Its totient is φ = 45369408.

The previous prime is 45504763. The next prime is 45504779. The reversal of 45504773 is 37740554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37740554 = 2 ⋅18870277.

It can be written as a sum of positive squares in 2 ways, for example, as 8025889 + 37478884 = 2833^2 + 6122^2 .

It is a cyclic number.

It is not a de Polignac number, because 45504773 - 2⁴ = 45504757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45504779) 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, 67178 + ... + 67851.

It is an arithmetic number, because the mean of its divisors is an integer number (11410035).

Almost surely, 2^45504773 is an apocalyptic number.

It is an amenable number.

45504773 is a deficient number, since it is larger than the sum of its proper divisors (135367).

45504773 is a wasteful number, since it uses less digits than its factorization.

45504773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135366.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 45504773 is about 6745.7225706369. The cubic root of 45504773 is about 357.0143319550.

The spelling of 45504773 in words is "forty-five million, five hundred four thousand, seven hundred seventy-three".