44142393 has 8 divisors (see below), whose sum is σ = 59018368. Its totient is φ = 29347344.

The previous prime is 44142391. The next prime is 44142409. The reversal of 44142393 is 39324144.

44142393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44142393 - 2¹ = 44142391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44142393.

It is not an unprimeable number, because it can be changed into a prime (44142391) 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, 18946 + ... + 21147.

It is an arithmetic number, because the mean of its divisors is an integer number (7377296).

Almost surely, 2^44142393 is an apocalyptic number.

It is an amenable number.

44142393 is a deficient number, since it is larger than the sum of its proper divisors (14875975).

44142393 is a wasteful number, since it uses less digits than its factorization.

44142393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40463.

The product of its digits is 10368, while the sum is 30.

The square root of 44142393 is about 6643.9741871865. The cubic root of 44142393 is about 353.4152544316.

The spelling of 44142393 in words is "forty-four million, one hundred forty-two thousand, three hundred ninety-three".