2144355533142 has 16 divisors (see below), whose sum is σ = 4307604069312. Its totient is φ = 711636343880.

The previous prime is 2144355533101. The next prime is 2144355533149. The reversal of 2144355533142 is 2413355534412.

It is a super-2 number, since 2×2144355533142² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2144355533094 and 2144355533103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144355533149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787206984 + ... + 787209707.

It is an arithmetic number, because the mean of its divisors is an integer number (269225254332).

Almost surely, 2^{2144355533142} is an apocalyptic number.

2144355533142 is an abundant number, since it is smaller than the sum of its proper divisors (2163248536170).

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

2144355533142 is a wasteful number, since it uses less digits than its factorization.

2144355533142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574416923.

The product of its digits is 864000, while the sum is 42.

The spelling of 2144355533142 in words is "two trillion, one hundred forty-four billion, three hundred fifty-five million, five hundred thirty-three thousand, one hundred forty-two".