45379549 has 2 divisors, whose sum is σ = 45379550. Its totient is φ = 45379548.

The previous prime is 45379531. The next prime is 45379571. The reversal of 45379549 is 94597354.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30052324 + 15327225 = 5482^2 + 3915^2 .

It is a cyclic number.

It is not a de Polignac number, because 45379549 - 2⁵ = 45379517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45379499 and 45379508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45379349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22689774 + 22689775.

It is an arithmetic number, because the mean of its divisors is an integer number (22689775).

Almost surely, 2^45379549 is an apocalyptic number.

It is an amenable number.

45379549 is a deficient number, since it is larger than the sum of its proper divisors (1).

45379549 is an equidigital number, since it uses as much as digits as its factorization.

45379549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 46.

The square root of 45379549 is about 6736.4344426410. The cubic root of 45379549 is about 356.6865433746.

The spelling of 45379549 in words is "forty-five million, three hundred seventy-nine thousand, five hundred forty-nine".