1444023152542 has 4 divisors (see below), whose sum is σ = 2166034728816. Its totient is φ = 722011576270.

The previous prime is 1444023152503. The next prime is 1444023152563. The reversal of 1444023152542 is 2452513204441.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361005788134 + ... + 361005788137.

It is an arithmetic number, because the mean of its divisors is an integer number (541508682204).

Almost surely, 2^{1444023152542} is an apocalyptic number.

1444023152542 is a deficient number, since it is larger than the sum of its proper divisors (722011576274).

1444023152542 is an equidigital number, since it uses as much as digits as its factorization.

1444023152542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722011576273.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 1444023152542 its reverse (2452513204441), we get a palindrome (3896536356983).

The spelling of 1444023152542 in words is "one trillion, four hundred forty-four billion, twenty-three million, one hundred fifty-two thousand, five hundred forty-two".