45169477 has 2 divisors, whose sum is σ = 45169478. Its totient is φ = 45169476.

The previous prime is 45169451. The next prime is 45169483. The reversal of 45169477 is 77496154.

45169477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40564161 + 4605316 = 6369^2 + 2146^2 .

It is a cyclic number.

It is not a de Polignac number, because 45169477 - 2⁷ = 45169349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45169417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22584738 + 22584739.

It is an arithmetic number, because the mean of its divisors is an integer number (22584739).

Almost surely, 2^45169477 is an apocalyptic number.

It is an amenable number.

45169477 is a deficient number, since it is larger than the sum of its proper divisors (1).

45169477 is an equidigital number, since it uses as much as digits as its factorization.

45169477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 45169477 is about 6720.8241310125. The cubic root of 45169477 is about 356.1352981714.

It can be divided in two parts, 45 and 169477, that multiplied together give a triangular number (7626465 = T₃₉₀₅).

The spelling of 45169477 in words is "forty-five million, one hundred sixty-nine thousand, four hundred seventy-seven".