142542046436 has 12 divisors (see below), whose sum is σ = 249459130620. Its totient is φ = 71268009120.

The previous prime is 142542046421. The next prime is 142542046519. The reversal of 142542046436 is 634640245241.

It can be written as a sum of positive squares in 2 ways, for example, as 127096528036 + 15445518400 = 356506^2 + 124280^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142542046393 and 142542046402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645395 + ... + 837626.

It is an arithmetic number, because the mean of its divisors is an integer number (20788260885).

Almost surely, 2^142542046436 is an apocalyptic number.

It is an amenable number.

142542046436 is a deficient number, since it is larger than the sum of its proper divisors (106917084184).

142542046436 is a wasteful number, since it uses less digits than its factorization.

142542046436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507054 (or 1507052 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 142542046436 in words is "one hundred forty-two billion, five hundred forty-two million, forty-six thousand, four hundred thirty-six".