142145521133 has 12 divisors (see below), whose sum is σ = 178562969760. Its totient is φ = 110762743080.

The previous prime is 142145521069. The next prime is 142145521159. The reversal of 142145521133 is 331125541241.

It is not a de Polignac number, because 142145521133 - 2⁶ = 142145521069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142145521133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142145521033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83910323 + ... + 83912016.

It is an arithmetic number, because the mean of its divisors is an integer number (14880247480).

Almost surely, 2^142145521133 is an apocalyptic number.

It is an amenable number.

142145521133 is a deficient number, since it is larger than the sum of its proper divisors (36417448627).

142145521133 is a wasteful number, since it uses less digits than its factorization.

142145521133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167822368 (or 167822357 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

It can be divided in two parts, 1421 and 45521133, that added together give a palindrome (45522554).

The spelling of 142145521133 in words is "one hundred forty-two billion, one hundred forty-five million, five hundred twenty-one thousand, one hundred thirty-three".