144442235 has 8 divisors (see below), whose sum is σ = 198092256. Its totient is φ = 99046080.

The previous prime is 144442223. The next prime is 144442247. The reversal of 144442235 is 532244441.

It is an interprime number because it is at equal distance from previous prime (144442223) and next prime (144442247).

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

It is not a de Polignac number, because 144442235 - 2⁶ = 144442171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144442198 and 144442207.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2063426 + ... + 2063495.

It is an arithmetic number, because the mean of its divisors is an integer number (24761532).

Almost surely, 2^144442235 is an apocalyptic number.

144442235 is a deficient number, since it is larger than the sum of its proper divisors (53650021).

144442235 is an equidigital number, since it uses as much as digits as its factorization.

144442235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126933.

The product of its digits is 15360, while the sum is 29.

The square root of 144442235 is about 12018.4123327501. The cubic root of 144442235 is about 524.6842969660.

Adding to 144442235 its reverse (532244441), we get a palindrome (676686676).

The spelling of 144442235 in words is "one hundred forty-four million, four hundred forty-two thousand, two hundred thirty-five".