200890154 has 8 divisors (see below), whose sum is σ = 317195040. Its totient is φ = 95158476.

The previous prime is 200890147. The next prime is 200890181. The reversal of 200890154 is 451098002.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643254 + ... + 2643329.

It is an arithmetic number, because the mean of its divisors is an integer number (39649380).

Almost surely, 2^200890154 is an apocalyptic number.

200890154 is a deficient number, since it is larger than the sum of its proper divisors (116304886).

200890154 is a wasteful number, since it uses less digits than its factorization.

200890154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286604.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 200890154 is about 14173.5723796085. The cubic root of 200890154 is about 585.6698723356.

The spelling of 200890154 in words is "two hundred million, eight hundred ninety thousand, one hundred fifty-four".