4445136 has 30 divisors (see below), whose sum is σ = 12440610.
Its totient is φ = 1481664.
The previous prime is 4445113. The next prime is 4445153. The reversal of 4445136 is 6315444.
It can be written as a sum of positive squares in only one way, i.e., 2702736 + 1742400 = 1644^2 + 1320^2
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 5 ways as a sum of consecutive naturals, for example, 15291 + ... + 15578.
It is an arithmetic number, because the mean of its divisors is an integer number (414687).
Almost surely, 24445136 is an apocalyptic number.
It is an amenable number.
4445136 is an abundant number, since it is smaller than the sum of its proper divisors (7995474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4445136 is a wasteful number, since it uses less digits than its factorization.
4445136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30883 (or 30874 counting only the distinct ones).
The product of its digits is 5760, while the sum is 27.
The square root of 4445136 is about 2108.3491172005.
The cubic root of 4445136 is about 164.4226654597.
The spelling of 4445136 in words is "four million, four hundred forty-five thousand, one hundred thirty-six".