44440147 has 4 divisors (see below), whose sum is σ = 45168736. Its totient is φ = 43711560.

The previous prime is 44440141. The next prime is 44440153. The reversal of 44440147 is 74104444.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (44440141) and next prime (44440153).

It is a cyclic number.

It is not a de Polignac number, because 44440147 - 2³ = 44440139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44440141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364203 + ... + 364324.

It is an arithmetic number, because the mean of its divisors is an integer number (11292184).

Almost surely, 2^44440147 is an apocalyptic number.

44440147 is a deficient number, since it is larger than the sum of its proper divisors (728589).

44440147 is an equidigital number, since it uses as much as digits as its factorization.

44440147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728588.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 44440147 is about 6666.3443505418. The cubic root of 44440147 is about 354.2081059025.

The spelling of 44440147 in words is "forty-four million, four hundred forty thousand, one hundred forty-seven".