44432145 has 40 divisors (see below), whose sum is σ = 82241280. Its totient is φ = 22926240.

The previous prime is 44432131. The next prime is 44432161. The reversal of 44432145 is 54123444.

It is a happy number.

44432145 is a `hidden beast` number, since 4 + 443 + 214 + 5 = 666.

It is not a de Polignac number, because 44432145 - 2⁸ = 44431889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10786 + ... + 14324.

It is an arithmetic number, because the mean of its divisors is an integer number (2056032).

Almost surely, 2^44432145 is an apocalyptic number.

44432145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44432145 is a deficient number, since it is larger than the sum of its proper divisors (37809135).

44432145 is a wasteful number, since it uses less digits than its factorization.

44432145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587 (or 3578 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 44432145 is about 6665.7441445048. The cubic root of 44432145 is about 354.1868447712.

Adding to 44432145 its reverse (54123444), we get a palindrome (98555589).

The spelling of 44432145 in words is "forty-four million, four hundred thirty-two thousand, one hundred forty-five".