101042540144 has 120 divisors (see below), whose sum is σ = 259677160848. Its totient is φ = 37621463040.

The previous prime is 101042540143. The next prime is 101042540147. The reversal of 101042540144 is 441045240101.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101042540141) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 118322 + ... + 464849.

Almost surely, 2^101042540144 is an apocalyptic number.

101042540144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

101042540144 is an abundant number, since it is smaller than the sum of its proper divisors (158634620704).

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

101042540144 is a wasteful number, since it uses less digits than its factorization.

101042540144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583223 (or 583210 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 101042540144 its reverse (441045240101), we get a palindrome (542087780245).

The spelling of 101042540144 in words is "one hundred one billion, forty-two million, five hundred forty thousand, one hundred forty-four".