1042442143542 has 48 divisors (see below), whose sum is σ = 2283803056080. Its totient is φ = 343615608000.

The previous prime is 1042442143459. The next prime is 1042442143559. The reversal of 1042442143542 is 2453412442401.

1042442143542 is a `hidden beast` number, since 1 + 0 + 424 + 42 + 143 + 54 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1042442143497 and 1042442143506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1120884 + ... + 1827912.

It is an arithmetic number, because the mean of its divisors is an integer number (47579230335).

Almost surely, 2^{1042442143542} is an apocalyptic number.

1042442143542 is an abundant number, since it is smaller than the sum of its proper divisors (1241360912538).

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

1042442143542 is a wasteful number, since it uses less digits than its factorization.

1042442143542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707949 (or 707946 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 1042442143542 its reverse (2453412442401), we get a palindrome (3495854585943).

The spelling of 1042442143542 in words is "one trillion, forty-two billion, four hundred forty-two million, one hundred forty-three thousand, five hundred forty-two".