45623777 has 2 divisors, whose sum is σ = 45623778. Its totient is φ = 45623776.

The previous prime is 45623771. The next prime is 45623779. The reversal of 45623777 is 77732654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43771456 + 1852321 = 6616^2 + 1361^2 .

It is a cyclic number.

It is not a de Polignac number, because 45623777 - 2⁴ = 45623761 is a prime.

Together with 45623779, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45623771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22811888 + 22811889.

It is an arithmetic number, because the mean of its divisors is an integer number (22811889).

Almost surely, 2^45623777 is an apocalyptic number.

It is an amenable number.

45623777 is a deficient number, since it is larger than the sum of its proper divisors (1).

45623777 is an equidigital number, since it uses as much as digits as its factorization.

45623777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 41.

The square root of 45623777 is about 6754.5375119249. The cubic root of 45623777 is about 357.3252821252.

The spelling of 45623777 in words is "forty-five million, six hundred twenty-three thousand, seven hundred seventy-seven".