190143268 has 12 divisors (see below), whose sum is σ = 380286592. Its totient is φ = 81489960.

The previous prime is 190143263. The next prime is 190143301. The reversal of 190143268 is 862341091.

190143268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

190143268 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (190143263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3395388 + ... + 3395443.

Almost surely, 2^190143268 is an apocalyptic number.

It is an amenable number.

190143268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

190143268 is a wasteful number, since it uses less digits than its factorization.

190143268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790842 (or 6790840 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 190143268 is about 13789.2446493635. The cubic root of 190143268 is about 575.0341686060.

The spelling of 190143268 in words is "one hundred ninety million, one hundred forty-three thousand, two hundred sixty-eight".