44145686 has 16 divisors (see below), whose sum is σ = 72022608. Its totient is φ = 20172000.

The previous prime is 44145677. The next prime is 44145707. The reversal of 44145686 is 68654144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5780 + ... + 11031.

It is an arithmetic number, because the mean of its divisors is an integer number (4501413).

Almost surely, 2^44145686 is an apocalyptic number.

44145686 is a deficient number, since it is larger than the sum of its proper divisors (27876922).

44145686 is a wasteful number, since it uses less digits than its factorization.

44145686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16927.

The product of its digits is 92160, while the sum is 38.

The square root of 44145686 is about 6644.2220011074. Note that the first 3 decimals coincide. The cubic root of 44145686 is about 353.4240424123.

The spelling of 44145686 in words is "forty-four million, one hundred forty-five thousand, six hundred eighty-six".