101440343142 has 16 divisors (see below), whose sum is σ = 225422984880. Its totient is φ = 33813447696.

The previous prime is 101440343129. The next prime is 101440343159. The reversal of 101440343142 is 241343044101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939262383 + ... + 939262490.

It is an arithmetic number, because the mean of its divisors is an integer number (14088936555).

Almost surely, 2^101440343142 is an apocalyptic number.

101440343142 is an abundant number, since it is smaller than the sum of its proper divisors (123982641738).

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

101440343142 is a wasteful number, since it uses less digits than its factorization.

101440343142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878524884 (or 1878524878 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 101440343142 its reverse (241343044101), we get a palindrome (342783387243).

The spelling of 101440343142 in words is "one hundred one billion, four hundred forty million, three hundred forty-three thousand, one hundred forty-two".