45419866 has 4 divisors (see below), whose sum is σ = 68129802. Its totient is φ = 22709932.

The previous prime is 45419863. The next prime is 45419879. The reversal of 45419866 is 66891454.

45419866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43943641 + 1476225 = 6629^2 + 1215^2 .

It is not an unprimeable number, because it can be changed into a prime (45419863) 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, 11354965 + ... + 11354968.

Almost surely, 2^45419866 is an apocalyptic number.

45419866 is a deficient number, since it is larger than the sum of its proper divisors (22709936).

45419866 is a wasteful number, since it uses less digits than its factorization.

45419866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22709935.

The product of its digits is 207360, while the sum is 43.

The square root of 45419866 is about 6739.4262367059. The cubic root of 45419866 is about 356.7921436214.

The spelling of 45419866 in words is "forty-five million, four hundred nineteen thousand, eight hundred sixty-six".