190144688 has 20 divisors (see below), whose sum is σ = 368678040. Its totient is φ = 95001984.

The previous prime is 190144687. The next prime is 190144693. The reversal of 190144688 is 886441091.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (190144687) 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, 23108 + ... + 30236.

It is an arithmetic number, because the mean of its divisors is an integer number (18433902).

Almost surely, 2^190144688 is an apocalyptic number.

It is an amenable number.

190144688 is a deficient number, since it is larger than the sum of its proper divisors (178533352).

190144688 is a wasteful number, since it uses less digits than its factorization.

190144688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8804 (or 8798 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 190144688 is about 13789.2961386722. The cubic root of 190144688 is about 575.0356000643.

The spelling of 190144688 in words is "one hundred ninety million, one hundred forty-four thousand, six hundred eighty-eight".