1144400143242 has 8 divisors (see below), whose sum is σ = 2288800286496. Its totient is φ = 381466714412.

The previous prime is 1144400143231. The next prime is 1144400143261. The reversal of 1144400143242 is 2423410044411.

It is a happy number.

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

1144400143242 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95366678598 + ... + 95366678609.

It is an arithmetic number, because the mean of its divisors is an integer number (286100035812).

Almost surely, 2^{1144400143242} is an apocalyptic number.

1144400143242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144400143242 is a wasteful number, since it uses less digits than its factorization.

1144400143242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190733357212.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1144400143242 its reverse (2423410044411), we get a palindrome (3567810187653).

The spelling of 1144400143242 in words is "one trillion, one hundred forty-four billion, four hundred million, one hundred forty-three thousand, two hundred forty-two".