142400433052 has 12 divisors (see below), whose sum is σ = 249204048016. Its totient is φ = 71199276480.

The previous prime is 142400432983. The next prime is 142400433053. The reversal of 142400433052 is 250334004241.

It is a happy number.

142400433052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142400433052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142400433053) by changing a digit.

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, 192052 + ... + 567172.

Almost surely, 2^142400433052 is an apocalyptic number.

It is an amenable number.

142400433052 is a deficient number, since it is larger than the sum of its proper divisors (106803614964).

142400433052 is a wasteful number, since it uses less digits than its factorization.

142400433052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470028 (or 470026 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 142400433052 its reverse (250334004241), we get a palindrome (392734437293).

The spelling of 142400433052 in words is "one hundred forty-two billion, four hundred million, four hundred thirty-three thousand, fifty-two".