44145438 has 16 divisors (see below), whose sum is σ = 90444816. Its totient is φ = 14356160.

The previous prime is 44145433. The next prime is 44145461. The reversal of 44145438 is 83454144.

44145438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 44145399 and 44145408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44145433) 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 7 ways as a sum of consecutive naturals, for example, 89481 + ... + 89972.

It is an arithmetic number, because the mean of its divisors is an integer number (5652801).

Almost surely, 2^44145438 is an apocalyptic number.

44145438 is an abundant number, since it is smaller than the sum of its proper divisors (46299378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44145438 is a wasteful number, since it uses less digits than its factorization.

44145438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179499.

The product of its digits is 30720, while the sum is 33.

The square root of 44145438 is about 6644.2033382491. The cubic root of 44145438 is about 353.4233805936.

The spelling of 44145438 in words is "forty-four million, one hundred forty-five thousand, four hundred thirty-eight".