144342340442 has 8 divisors (see below), whose sum is σ = 216578209536. Its totient is φ = 72149603932.

The previous prime is 144342340411. The next prime is 144342340447. The reversal of 144342340442 is 244043243441.

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

It is a super-2 number, since 2×144342340442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144342340447) 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, 10774778 + ... + 10788165.

It is an arithmetic number, because the mean of its divisors is an integer number (27072276192).

Almost surely, 2^144342340442 is an apocalyptic number.

144342340442 is a deficient number, since it is larger than the sum of its proper divisors (72235869094).

144342340442 is a wasteful number, since it uses less digits than its factorization.

144342340442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21566292.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 144342340442 its reverse (244043243441), we get a palindrome (388385583883).

The spelling of 144342340442 in words is "one hundred forty-four billion, three hundred forty-two million, three hundred forty thousand, four hundred forty-two".