44145577 has 4 divisors (see below), whose sum is σ = 50452096. Its totient is φ = 37839060.

The previous prime is 44145557. The next prime is 44145587. The reversal of 44145577 is 77554144.

44145577 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-44145577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44145557) 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 in 3 ways as a sum of consecutive naturals, for example, 3153249 + ... + 3153262.

It is an arithmetic number, because the mean of its divisors is an integer number (12613024).

Almost surely, 2^44145577 is an apocalyptic number.

It is an amenable number.

44145577 is a deficient number, since it is larger than the sum of its proper divisors (6306519).

44145577 is an equidigital number, since it uses as much as digits as its factorization.

44145577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306518.

The product of its digits is 78400, while the sum is 37.

The square root of 44145577 is about 6644.2137984866. The cubic root of 44145577 is about 353.4237515326.

The spelling of 44145577 in words is "forty-four million, one hundred forty-five thousand, five hundred seventy-seven".