44142653 has 4 divisors (see below), whose sum is σ = 44389440. Its totient is φ = 43895868.

The previous prime is 44142649. The next prime is 44142661. The reversal of 44142653 is 35624144.

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 44142653 - 2² = 44142649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44142613) 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, 123125 + ... + 123482.

It is an arithmetic number, because the mean of its divisors is an integer number (11097360).

Almost surely, 2^44142653 is an apocalyptic number.

It is an amenable number.

44142653 is a deficient number, since it is larger than the sum of its proper divisors (246787).

44142653 is a wasteful number, since it uses less digits than its factorization.

44142653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246786.

The product of its digits is 11520, while the sum is 29.

The square root of 44142653 is about 6643.9937537599. The cubic root of 44142653 is about 353.4159483057.

Adding to 44142653 its reverse (35624144), we get a palindrome (79766797).

The spelling of 44142653 in words is "forty-four million, one hundred forty-two thousand, six hundred fifty-three".