142787916 has 18 divisors (see below), whose sum is σ = 360936212. Its totient is φ = 47595960.

The previous prime is 142787899. The next prime is 142787923. The reversal of 142787916 is 619787241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1983130 + ... + 1983201.

Almost surely, 2^142787916 is an apocalyptic number.

It is an amenable number.

142787916 is an abundant number, since it is smaller than the sum of its proper divisors (218148296).

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

142787916 is a wasteful number, since it uses less digits than its factorization.

142787916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966341 (or 3966336 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 142787916 is about 11949.3897752145. The cubic root of 142787916 is about 522.6735041868.

The spelling of 142787916 in words is "one hundred forty-two million, seven hundred eighty-seven thousand, nine hundred sixteen".