101543354900442 has 48 divisors (see below), whose sum is σ = 270782279738880. Its totient is φ = 26780665028256.

The previous prime is 101543354900441. The next prime is 101543354900527. The reversal of 101543354900442 is 244009453345101.

It is a happy number.

101543354900442 is a `hidden beast` number, since 1 + 0 + 154 + 3 + 3 + 5 + 490 + 0 + 4 + 4 + 2 = 666.

It is a super-3 number, since 3×101543354900442³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (101543354900441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30996138442 + ... + 30996141717.

It is an arithmetic number, because the mean of its divisors is an integer number (5641297494560).

Almost surely, 2^{101543354900442} is an apocalyptic number.

101543354900442 is an abundant number, since it is smaller than the sum of its proper divisors (169238924838438).

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

101543354900442 is a wasteful number, since it uses less digits than its factorization.

101543354900442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61992280187 (or 61992280184 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 101543354900442 in words is "one hundred one trillion, five hundred forty-three billion, three hundred fifty-four million, nine hundred thousand, four hundred forty-two".