142105321332 has 72 divisors (see below), whose sum is σ = 386898430464. Its totient is φ = 43718366016.

The previous prime is 142105321321. The next prime is 142105321349. The reversal of 142105321332 is 233123501241.

142105321332 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 0 + 5 + 321 + 332 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 142105321296 and 142105321305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3980353 + ... + 4015895.

It is an arithmetic number, because the mean of its divisors is an integer number (5373589312).

Almost surely, 2^142105321332 is an apocalyptic number.

142105321332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142105321332 is an abundant number, since it is smaller than the sum of its proper divisors (244793109132).

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

142105321332 is a wasteful number, since it uses less digits than its factorization.

142105321332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44109 (or 44104 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 142105321332 its reverse (233123501241), we get a palindrome (375228822573).

The spelling of 142105321332 in words is "one hundred forty-two billion, one hundred five million, three hundred twenty-one thousand, three hundred thirty-two".