44149971 has 4 divisors (see below), whose sum is σ = 58866632. Its totient is φ = 29433312.

The previous prime is 44149951. The next prime is 44149993. The reversal of 44149971 is 17994144.

44149971 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.

It is not a de Polignac number, because 44149971 - 2¹¹ = 44147923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44149951) 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, 7358326 + ... + 7358331.

It is an arithmetic number, because the mean of its divisors is an integer number (14716658).

Almost surely, 2^44149971 is an apocalyptic number.

44149971 is a deficient number, since it is larger than the sum of its proper divisors (14716661).

44149971 is a wasteful number, since it uses less digits than its factorization.

44149971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14716660.

The product of its digits is 36288, while the sum is 39.

The square root of 44149971 is about 6644.5444539110. The cubic root of 44149971 is about 353.4354770746.

The spelling of 44149971 in words is "forty-four million, one hundred forty-nine thousand, nine hundred seventy-one".