200155142 has 8 divisors (see below), whose sum is σ = 327526632. Its totient is φ = 90979600.

The previous prime is 200155121. The next prime is 200155171. The reversal of 200155142 is 241551002.

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, 4548959 + ... + 4549002.

It is an arithmetic number, because the mean of its divisors is an integer number (40940829).

Almost surely, 2^200155142 is an apocalyptic number.

200155142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200155142 is a deficient number, since it is larger than the sum of its proper divisors (127371490).

200155142 is a wasteful number, since it uses less digits than its factorization.

200155142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9097974.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 200155142 is about 14147.6196584443. The cubic root of 200155142 is about 584.9547212137.

The spelling of 200155142 in words is "two hundred million, one hundred fifty-five thousand, one hundred forty-two".