142816356 has 18 divisors (see below), whose sum is σ = 361008102. Its totient is φ = 47605440.

The previous prime is 142816343. The next prime is 142816363. The reversal of 142816356 is 653618241.

It is a happy number.

142816356 is a `hidden beast` number, since 14 + 2 + 8 + 1 + 635 + 6 = 666.

142816356 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 141848100 + 968256 = 11910^2 + 984^2 .

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

It is a super-2 number, since 2×142816356² = 40793023082237472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3967121 = 142816356 / (1 + 4 + 2 + 8 + 1 + 6 + 3 + 5 + 6).

142816356 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 142816356.

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, 1983525 + ... + 1983596.

Almost surely, 2^142816356 is an apocalyptic number.

It is an amenable number.

142816356 is an abundant number, since it is smaller than the sum of its proper divisors (218191746).

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

142816356 is a wasteful number, since it uses less digits than its factorization.

142816356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3967131 (or 3967126 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 142816356 is about 11950.5797348915. The cubic root of 142816356 is about 522.7082033128.

The spelling of 142816356 in words is "one hundred forty-two million, eight hundred sixteen thousand, three hundred fifty-six".