44401345 has 4 divisors (see below), whose sum is σ = 53281620. Its totient is φ = 35521072.

The previous prime is 44401321. The next prime is 44401361. The reversal of 44401345 is 54310444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15499969 + 28901376 = 3937^2 + 5376^2 .

It is a cyclic number.

It is not a de Polignac number, because 44401345 - 2¹⁷ = 44270273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4440130 + ... + 4440139.

It is an arithmetic number, because the mean of its divisors is an integer number (13320405).

Almost surely, 2^44401345 is an apocalyptic number.

It is an amenable number.

44401345 is a deficient number, since it is larger than the sum of its proper divisors (8880275).

44401345 is an equidigital number, since it uses as much as digits as its factorization.

44401345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880274.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 44401345 is about 6663.4334242941. The cubic root of 44401345 is about 354.1049860444.

Adding to 44401345 its reverse (54310444), we get a palindrome (98711789).

Subtracting 44401345 from its reverse (54310444), we obtain a palindrome (9909099).

The spelling of 44401345 in words is "forty-four million, four hundred one thousand, three hundred forty-five".