44421145 has 8 divisors (see below), whose sum is σ = 56111040. Its totient is φ = 33666480.

The previous prime is 44421133. The next prime is 44421149. The reversal of 44421145 is 54112444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44421145 - 2⁹ = 44420633 is a prime.

It is a super-2 number, since 2×44421145² = 3946476246222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44421149) by changing a digit.

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, 233701 + ... + 233890.

It is an arithmetic number, because the mean of its divisors is an integer number (7013880).

Almost surely, 2^44421145 is an apocalyptic number.

It is an amenable number.

44421145 is a deficient number, since it is larger than the sum of its proper divisors (11689895).

44421145 is a wasteful number, since it uses less digits than its factorization.

44421145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467615.

The product of its digits is 2560, while the sum is 25.

The square root of 44421145 is about 6664.9189792525. The cubic root of 44421145 is about 354.1576138555.

Adding to 44421145 its reverse (54112444), we get a palindrome (98533589).

The spelling of 44421145 in words is "forty-four million, four hundred twenty-one thousand, one hundred forty-five".