45189862 has 4 divisors (see below), whose sum is σ = 67784796. Its totient is φ = 22594930.

The previous prime is 45189853. The next prime is 45189863. The reversal of 45189862 is 26898154.

It is a happy number.

45189862 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, and also an emirpimes, since its reverse is a distinct semiprime: 26898154 = 2 ⋅13449077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45189863) 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, 11297464 + ... + 11297467.

It is an arithmetic number, because the mean of its divisors is an integer number (16946199).

Almost surely, 2^45189862 is an apocalyptic number.

45189862 is a deficient number, since it is larger than the sum of its proper divisors (22594934).

45189862 is a wasteful number, since it uses less digits than its factorization.

45189862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22594933.

The product of its digits is 138240, while the sum is 43.

The square root of 45189862 is about 6722.3405150290. The cubic root of 45189862 is about 356.1888647735.

The spelling of 45189862 in words is "forty-five million, one hundred eighty-nine thousand, eight hundred sixty-two".