45027019 has 2 divisors, whose sum is σ = 45027020. Its totient is φ = 45027018.

The previous prime is 45027013. The next prime is 45027043. The reversal of 45027019 is 91072054.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45027019 - 2³ = 45027011 is a prime.

It is a super-2 number, since 2×45027019² = 4054864880052722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45027011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22513509 + 22513510.

It is an arithmetic number, because the mean of its divisors is an integer number (22513510).

Almost surely, 2^45027019 is an apocalyptic number.

45027019 is a deficient number, since it is larger than the sum of its proper divisors (1).

45027019 is an equidigital number, since it uses as much as digits as its factorization.

45027019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 45027019 is about 6710.2175076520. The cubic root of 45027019 is about 355.7605041322.

The spelling of 45027019 in words is "forty-five million, twenty-seven thousand, nineteen".