44142313 has 4 divisors (see below), whose sum is σ = 46061568. Its totient is φ = 42223060.

The previous prime is 44142299. The next prime is 44142317. The reversal of 44142313 is 31324144.

44142313 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44142313 - 2²¹ = 42045161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44142317) 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, 959593 + ... + 959638.

It is an arithmetic number, because the mean of its divisors is an integer number (11515392).

Almost surely, 2^44142313 is an apocalyptic number.

It is an amenable number.

44142313 is a deficient number, since it is larger than the sum of its proper divisors (1919255).

44142313 is a wasteful number, since it uses less digits than its factorization.

44142313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919254.

The product of its digits is 1152, while the sum is 22.

The square root of 44142313 is about 6643.9681666907. The cubic root of 44142313 is about 353.4150409314.

Adding to 44142313 its reverse (31324144), we get a palindrome (75466457).

The spelling of 44142313 in words is "forty-four million, one hundred forty-two thousand, three hundred thirteen".