44442135 has 16 divisors (see below), whose sum is σ = 79008480. Its totient is φ = 23702400.

The previous prime is 44442133. The next prime is 44442137. The reversal of 44442135 is 53124444.

It is a happy number.

44442135 is a `hidden beast` number, since 4 + 444 + 213 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (44442133) and next prime (44442137).

It is not a de Polignac number, because 44442135 - 2¹ = 44442133 is a prime.

It is a super-3 number, since 3×44442135³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 44442099 and 44442108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44442133) 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 15 ways as a sum of consecutive naturals, for example, 164466 + ... + 164735.

It is an arithmetic number, because the mean of its divisors is an integer number (4938030).

Almost surely, 2^44442135 is an apocalyptic number.

44442135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

44442135 is a deficient number, since it is larger than the sum of its proper divisors (34566345).

44442135 is a wasteful number, since it uses less digits than its factorization.

44442135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329215 (or 329209 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 44442135 is about 6666.4934560832. The cubic root of 44442135 is about 354.2133875773.

Adding to 44442135 its reverse (53124444), we get a palindrome (97566579).

The spelling of 44442135 in words is "forty-four million, four hundred forty-two thousand, one hundred thirty-five".