1533440020142 has 8 divisors (see below), whose sum is σ = 2435463561456. Its totient is φ = 721618832992.

The previous prime is 1533440020081. The next prime is 1533440020187. The reversal of 1533440020142 is 2410200443351.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 22550588498 + ... + 22550588565.

It is an arithmetic number, because the mean of its divisors is an integer number (304432945182).

Almost surely, 2^{1533440020142} is an apocalyptic number.

1533440020142 is a deficient number, since it is larger than the sum of its proper divisors (902023541314).

1533440020142 is a wasteful number, since it uses less digits than its factorization.

1533440020142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45101177082.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1533440020142 its reverse (2410200443351), we get a palindrome (3943640463493).

The spelling of 1533440020142 in words is "one trillion, five hundred thirty-three billion, four hundred forty million, twenty thousand, one hundred forty-two".