45090671 has 2 divisors, whose sum is σ = 45090672. Its totient is φ = 45090670.

The previous prime is 45090659. The next prime is 45090677. The reversal of 45090671 is 17609054.

It is a happy number.

45090671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45090671 - 2⁶ = 45090607 is a prime.

It is a super-2 number, since 2×45090671² = 4066337222460482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45090677) 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, 22545335 + 22545336.

It is an arithmetic number, because the mean of its divisors is an integer number (22545336).

Almost surely, 2^45090671 is an apocalyptic number.

45090671 is a deficient number, since it is larger than the sum of its proper divisors (1).

45090671 is an equidigital number, since it uses as much as digits as its factorization.

45090671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 45090671 is about 6714.9587489425. The cubic root of 45090671 is about 355.9280643062.

The spelling of 45090671 in words is "forty-five million, ninety thousand, six hundred seventy-one".