142990116 has 12 divisors (see below), whose sum is σ = 333643632. Its totient is φ = 47663368.

The previous prime is 142990091. The next prime is 142990117. The reversal of 142990116 is 611099241.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (142990117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5957910 + ... + 5957933.

It is an arithmetic number, because the mean of its divisors is an integer number (27803636).

Almost surely, 2^142990116 is an apocalyptic number.

It is an amenable number.

142990116 is an abundant number, since it is smaller than the sum of its proper divisors (190653516).

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

142990116 is a wasteful number, since it uses less digits than its factorization.

142990116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11915850 (or 11915848 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 142990116 is about 11957.8474651586. The cubic root of 142990116 is about 522.9201047362.

The spelling of 142990116 in words is "one hundred forty-two million, nine hundred ninety thousand, one hundred sixteen".