44172142 has 8 divisors (see below), whose sum is σ = 75723696. Its totient is φ = 18930912.

The previous prime is 44172127. The next prime is 44172143. The reversal of 44172142 is 24127144.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44172143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1577563 + ... + 1577590.

It is an arithmetic number, because the mean of its divisors is an integer number (9465462).

Almost surely, 2^44172142 is an apocalyptic number.

44172142 is a deficient number, since it is larger than the sum of its proper divisors (31551554).

44172142 is a wasteful number, since it uses less digits than its factorization.

44172142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155162.

The product of its digits is 1792, while the sum is 25.

The square root of 44172142 is about 6646.2126056875. The cubic root of 44172142 is about 353.4946292965.

Adding to 44172142 its reverse (24127144), we get a palindrome (68299286).

The spelling of 44172142 in words is "forty-four million, one hundred seventy-two thousand, one hundred forty-two".