142243290972 has 60 divisors (see below), whose sum is σ = 384674570280. Its totient is φ = 45779446944.

The previous prime is 142243290941. The next prime is 142243290979. The reversal of 142243290972 is 279092342241.

142243290972 is a `hidden beast` number, since 1 + 42 + 2 + 432 + 90 + 97 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142243290979) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7559958 + ... + 7578749.

It is an arithmetic number, because the mean of its divisors is an integer number (6411242838).

Almost surely, 2^142243290972 is an apocalyptic number.

142243290972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142243290972 is an abundant number, since it is smaller than the sum of its proper divisors (242431279308).

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

142243290972 is a wasteful number, since it uses less digits than its factorization.

142243290972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15138752 (or 15138741 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 142243290972 in words is "one hundred forty-two billion, two hundred forty-three million, two hundred ninety thousand, nine hundred seventy-two".