44531149 has 4 divisors (see below), whose sum is σ = 47956636. Its totient is φ = 41105664.

The previous prime is 44531141. The next prime is 44531167. The reversal of 44531149 is 94113544.

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 21921124 + 22610025 = 4682^2 + 4755^2 .

It is a cyclic number.

It is not a de Polignac number, because 44531149 - 2³ = 44531141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44531149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44531141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712724 + ... + 1712749.

It is an arithmetic number, because the mean of its divisors is an integer number (11989159).

Almost surely, 2^44531149 is an apocalyptic number.

It is an amenable number.

44531149 is a deficient number, since it is larger than the sum of its proper divisors (3425487).

44531149 is a wasteful number, since it uses less digits than its factorization.

44531149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425486.

The product of its digits is 8640, while the sum is 31.

The square root of 44531149 is about 6673.1663399019. The cubic root of 44531149 is about 354.4497167817.

The spelling of 44531149 in words is "forty-four million, five hundred thirty-one thousand, one hundred forty-nine".