144442355 has 8 divisors (see below), whose sum is σ = 174435792. Its totient is φ = 114817248.

The previous prime is 144442349. The next prime is 144442379. The reversal of 144442355 is 553244441.

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

It is a cyclic number.

It is not a de Polignac number, because 144442355 - 2²² = 140248051 is a prime.

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, 91217 + ... + 92786.

It is an arithmetic number, because the mean of its divisors is an integer number (21804474).

Almost surely, 2^144442355 is an apocalyptic number.

144442355 is a deficient number, since it is larger than the sum of its proper divisors (29993437).

144442355 is a wasteful number, since it uses less digits than its factorization.

144442355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184165.

The product of its digits is 38400, while the sum is 32.

The square root of 144442355 is about 12018.4173250890. The cubic root of 144442355 is about 524.6844422653.

Adding to 144442355 its reverse (553244441), we get a palindrome (697686796).

The spelling of 144442355 in words is "one hundred forty-four million, four hundred forty-two thousand, three hundred fifty-five".