45538069 has 2 divisors, whose sum is σ = 45538070. Its totient is φ = 45538068.

The previous prime is 45538067. The next prime is 45538081. The reversal of 45538069 is 96083554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26936100 + 18601969 = 5190^2 + 4313^2 .

It is a cyclic number.

It is not a de Polignac number, because 45538069 - 2¹ = 45538067 is a prime.

It is a super-2 number, since 2×45538069² = 4147431456497522, which contains 22 as substring.

Together with 45538067, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45538067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22769034 + 22769035.

It is an arithmetic number, because the mean of its divisors is an integer number (22769035).

Almost surely, 2^45538069 is an apocalyptic number.

It is an amenable number.

45538069 is a deficient number, since it is larger than the sum of its proper divisors (1).

45538069 is an equidigital number, since it uses as much as digits as its factorization.

45538069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 45538069 is about 6748.1900536366. The cubic root of 45538069 is about 357.1013869334.

The spelling of 45538069 in words is "forty-five million, five hundred thirty-eight thousand, sixty-nine".