45505069 has 2 divisors, whose sum is σ = 45505070. Its totient is φ = 45505068.

The previous prime is 45505013. The next prime is 45505087. The reversal of 45505069 is 96050554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38900169 + 6604900 = 6237^2 + 2570^2 .

It is a cyclic number.

It is not a de Polignac number, because 45505069 - 2⁷ = 45504941 is a prime.

It is a super-2 number, since 2×45505069² = 4141422609389522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45505099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752534 + 22752535.

It is an arithmetic number, because the mean of its divisors is an integer number (22752535).

Almost surely, 2^45505069 is an apocalyptic number.

It is an amenable number.

45505069 is a deficient number, since it is larger than the sum of its proper divisors (1).

45505069 is an equidigital number, since it uses as much as digits as its factorization.

45505069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 45505069 is about 6745.7445104303. The cubic root of 45505069 is about 357.0151060571.

The spelling of 45505069 in words is "forty-five million, five hundred five thousand, sixty-nine".