45145417 has 2 divisors, whose sum is σ = 45145418. Its totient is φ = 45145416.

The previous prime is 45145409. The next prime is 45145459. The reversal of 45145417 is 71454154.

45145417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43243776 + 1901641 = 6576^2 + 1379^2 .

It is a cyclic number.

It is not a de Polignac number, because 45145417 - 2³ = 45145409 is a prime.

It is a super-2 number, since 2×45145417² = 4076217352207778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45145487) 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, 22572708 + 22572709.

It is an arithmetic number, because the mean of its divisors is an integer number (22572709).

Almost surely, 2^45145417 is an apocalyptic number.

It is an amenable number.

45145417 is a deficient number, since it is larger than the sum of its proper divisors (1).

45145417 is an equidigital number, since it uses as much as digits as its factorization.

45145417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 31.

The square root of 45145417 is about 6719.0339335354. The cubic root of 45145417 is about 356.0720538622.

The spelling of 45145417 in words is "forty-five million, one hundred forty-five thousand, four hundred seventeen".