144442002241442 has 8 divisors (see below), whose sum is σ = 216663060581100. Its totient is φ = 72220982047744.

The previous prime is 144442002241409. The next prime is 144442002241447. The reversal of 144442002241442 is 244142200244441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 143387907831961 + 1054094409481 = 11974469^2 + 1026691^2 .

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

It is a super-3 number, since 3×144442002241442³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144442002241396 and 144442002241405.

It is not an unprimeable number, because it can be changed into a prime (144442002241447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3487034 + ... + 17350602.

Almost surely, 2^{144442002241442} is an apocalyptic number.

144442002241442 is a deficient number, since it is larger than the sum of its proper divisors (72221058339658).

144442002241442 is a wasteful number, since it uses less digits than its factorization.

144442002241442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19072980.

The product of its (nonzero) digits is 262144, while the sum is 38.

Adding to 144442002241442 its reverse (244142200244441), we get a palindrome (388584202485883).

The spelling of 144442002241442 in words is "one hundred forty-four trillion, four hundred forty-two billion, two million, two hundred forty-one thousand, four hundred forty-two".