142005747732 has 48 divisors (see below), whose sum is σ = 342373903872. Its totient is φ = 45762963840.

The previous prime is 142005747727. The next prime is 142005747739. The reversal of 142005747732 is 237747500241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142005747739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188418 + ... + 565254.

It is an arithmetic number, because the mean of its divisors is an integer number (7132789664).

Almost surely, 2^142005747732 is an apocalyptic number.

142005747732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 376836×376837.

It is an amenable number.

142005747732 is an abundant number, since it is smaller than the sum of its proper divisors (200368156140).

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

142005747732 is a wasteful number, since it uses less digits than its factorization.

142005747732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377888 (or 377886 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 42.

The spelling of 142005747732 in words is "one hundred forty-two billion, five million, seven hundred forty-seven thousand, seven hundred thirty-two".