45124169 has 2 divisors, whose sum is σ = 45124170. Its totient is φ = 45124168.

The previous prime is 45124153. The next prime is 45124187. The reversal of 45124169 is 96142154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43731769 + 1392400 = 6613^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 45124169 - 2⁴ = 45124153 is a prime.

It is a super-2 number, since 2×45124169² = 4072381255881122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45124139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22562084 + 22562085.

It is an arithmetic number, because the mean of its divisors is an integer number (22562085).

Almost surely, 2^45124169 is an apocalyptic number.

It is an amenable number.

45124169 is a deficient number, since it is larger than the sum of its proper divisors (1).

45124169 is an equidigital number, since it uses as much as digits as its factorization.

45124169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 45124169 is about 6717.4525677522. The cubic root of 45124169 is about 356.0161825115.

The spelling of 45124169 in words is "forty-five million, one hundred twenty-four thousand, one hundred sixty-nine".