45369661 has 2 divisors, whose sum is σ = 45369662. Its totient is φ = 45369660.

The previous prime is 45369563. The next prime is 45369671. The reversal of 45369661 is 16696354.

45369661 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., 33570436 + 11799225 = 5794^2 + 3435^2 .

It is a cyclic number.

It is not a de Polignac number, because 45369661 - 2¹¹ = 45367613 is a prime.

It is a super-2 number, since 2×45369661² = 4116812278509842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45369671) 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, 22684830 + 22684831.

It is an arithmetic number, because the mean of its divisors is an integer number (22684831).

Almost surely, 2^45369661 is an apocalyptic number.

It is an amenable number.

45369661 is a deficient number, since it is larger than the sum of its proper divisors (1).

45369661 is an equidigital number, since it uses as much as digits as its factorization.

45369661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The square root of 45369661 is about 6735.7004832460. The cubic root of 45369661 is about 356.6606346938.

The spelling of 45369661 in words is "forty-five million, three hundred sixty-nine thousand, six hundred sixty-one".