45745477 has 2 divisors, whose sum is σ = 45745478. Its totient is φ = 45745476.

The previous prime is 45745471. The next prime is 45745489. The reversal of 45745477 is 77454754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40335201 + 5410276 = 6351^2 + 2326^2 .

It is a cyclic number.

It is not a de Polignac number, because 45745477 - 2¹¹ = 45743429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45745471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22872738 + 22872739.

It is an arithmetic number, because the mean of its divisors is an integer number (22872739).

Almost surely, 2^45745477 is an apocalyptic number.

It is an amenable number.

45745477 is a deficient number, since it is larger than the sum of its proper divisors (1).

45745477 is an equidigital number, since it uses as much as digits as its factorization.

45745477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 548800, while the sum is 43.

The square root of 45745477 is about 6763.5402711893. The cubic root of 45745477 is about 357.6427180516.

The spelling of 45745477 in words is "forty-five million, seven hundred forty-five thousand, four hundred seventy-seven".