2144701315542 has 8 divisors (see below), whose sum is σ = 4289402631096. Its totient is φ = 714900438512.

The previous prime is 2144701315541. The next prime is 2144701315543. The reversal of 2144701315542 is 2455131074412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2144701315541) and next prime (2144701315543).

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

2144701315542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144701315542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144701315541) 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, 178725109623 + ... + 178725109634.

It is an arithmetic number, because the mean of its divisors is an integer number (536175328887).

Almost surely, 2^{2144701315542} is an apocalyptic number.

2144701315542 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.

2144701315542 is a wasteful number, since it uses less digits than its factorization.

2144701315542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357450219262.

The product of its (nonzero) digits is 134400, while the sum is 39.

Adding to 2144701315542 its reverse (2455131074412), we get a palindrome (4599832389954).

The spelling of 2144701315542 in words is "two trillion, one hundred forty-four billion, seven hundred one million, three hundred fifteen thousand, five hundred forty-two".