44142535 has 4 divisors (see below), whose sum is σ = 52971048. Its totient is φ = 35314024.

The previous prime is 44142521. The next prime is 44142547. The reversal of 44142535 is 53524144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44142535 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4414249 + ... + 4414258.

It is an arithmetic number, because the mean of its divisors is an integer number (13242762).

Almost surely, 2^44142535 is an apocalyptic number.

44142535 is a deficient number, since it is larger than the sum of its proper divisors (8828513).

44142535 is an equidigital number, since it uses as much as digits as its factorization.

44142535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8828512.

The product of its digits is 9600, while the sum is 28.

The square root of 44142535 is about 6643.9848735529. The cubic root of 44142535 is about 353.4156333940.

Adding to 44142535 its reverse (53524144), we get a palindrome (97666679).

The spelling of 44142535 in words is "forty-four million, one hundred forty-two thousand, five hundred thirty-five".