45398666 has 8 divisors (see below), whose sum is σ = 68440800. Its totient is φ = 22585068.

The previous prime is 45398623. The next prime is 45398677. The reversal of 45398666 is 66689354.

45398666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45398666² = 4122077749159112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45398666.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 56636 + ... + 57431.

It is an arithmetic number, because the mean of its divisors is an integer number (8555100).

Almost surely, 2^45398666 is an apocalyptic number.

45398666 is a deficient number, since it is larger than the sum of its proper divisors (23042134).

45398666 is a wasteful number, since it uses less digits than its factorization.

45398666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114268.

The product of its digits is 933120, while the sum is 47.

The square root of 45398666 is about 6737.8532189415. The cubic root of 45398666 is about 356.7366233446.

It can be divided in two parts, 45398 and 666, that added together give a palindrome (46064).

The spelling of 45398666 in words is "forty-five million, three hundred ninety-eight thousand, six hundred sixty-six".