142400243052 has 30 divisors (see below), whose sum is σ = 372262364628. Its totient is φ = 47466747576.

The previous prime is 142400242973. The next prime is 142400243081. The reversal of 142400243052 is 250342004241.

142400243052 is a `hidden beast` number, since 14 + 2 + 400 + 243 + 0 + 5 + 2 = 666.

142400243052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 9 ways as a sum of consecutive naturals, for example, 219753138 + ... + 219753785.

Almost surely, 2^142400243052 is an apocalyptic number.

142400243052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142400243052 is an abundant number, since it is smaller than the sum of its proper divisors (229862121576).

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

142400243052 is a wasteful number, since it uses less digits than its factorization.

142400243052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439506939 (or 439506928 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 142400243052 its reverse (250342004241), we get a palindrome (392742247293).

It can be divided in two parts, 14240024 and 3052, that added together give a square (14243076 = 3774²).

The spelling of 142400243052 in words is "one hundred forty-two billion, four hundred million, two hundred forty-three thousand, fifty-two".