45408773 has 2 divisors, whose sum is σ = 45408774. Its totient is φ = 45408772.

The previous prime is 45408763. The next prime is 45408823. The reversal of 45408773 is 37780454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44528929 + 879844 = 6673^2 + 938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45408773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45408733) 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, 22704386 + 22704387.

It is an arithmetic number, because the mean of its divisors is an integer number (22704387).

Almost surely, 2^45408773 is an apocalyptic number.

It is an amenable number.

45408773 is a deficient number, since it is larger than the sum of its proper divisors (1).

45408773 is an equidigital number, since it uses as much as digits as its factorization.

45408773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 45408773 is about 6738.6031935409. The cubic root of 45408773 is about 356.7630945300.

It can be divided in two parts, 4540877 and 3, that multiplied together give a palindrome (13622631).

The spelling of 45408773 in words is "forty-five million, four hundred eight thousand, seven hundred seventy-three".