45645777 has 12 divisors (see below), whose sum is σ = 68799744. Its totient is φ = 29107320.

The previous prime is 45645727. The next prime is 45645779. The reversal of 45645777 is 77754654.

It is not a de Polignac number, because 45645777 - 2⁶ = 45645713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45645779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110049 + ... + 110462.

It is an arithmetic number, because the mean of its divisors is an integer number (5733312).

Almost surely, 2^45645777 is an apocalyptic number.

It is an amenable number.

45645777 is a deficient number, since it is larger than the sum of its proper divisors (23153967).

45645777 is a wasteful number, since it uses less digits than its factorization.

45645777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220540 (or 220537 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The square root of 45645777 is about 6756.1658505398. The cubic root of 45645777 is about 357.3827075402.

The spelling of 45645777 in words is "forty-five million, six hundred forty-five thousand, seven hundred seventy-seven".