201142798 has 8 divisors (see below), whose sum is σ = 308133792. Its totient is φ = 98431536.

The previous prime is 201142783. The next prime is 201142801. The reversal of 201142798 is 897241102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069815 + ... + 1070002.

It is an arithmetic number, because the mean of its divisors is an integer number (38516724).

Almost surely, 2^201142798 is an apocalyptic number.

201142798 is a deficient number, since it is larger than the sum of its proper divisors (106990994).

201142798 is a wasteful number, since it uses less digits than its factorization.

201142798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139866.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 201142798 is about 14182.4820817796. The cubic root of 201142798 is about 585.9152867094.

The spelling of 201142798 in words is "two hundred one million, one hundred forty-two thousand, seven hundred ninety-eight".