190147146 has 48 divisors (see below), whose sum is σ = 450766944. Its totient is φ = 53298336.

The previous prime is 190147129. The next prime is 190147163. The reversal of 190147146 is 641741091.

190147146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (190147129) and next prime (190147163).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9481 + ... + 21683.

It is an arithmetic number, because the mean of its divisors is an integer number (9390978).

Almost surely, 2^190147146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190147146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225383472).

190147146 is an abundant number, since it is smaller than the sum of its proper divisors (260619798).

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

190147146 is a wasteful number, since it uses less digits than its factorization.

190147146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12275 (or 12268 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 190147146 is about 13789.3852654859. The cubic root of 190147146 is about 575.0380778816.

The spelling of 190147146 in words is "one hundred ninety million, one hundred forty-seven thousand, one hundred forty-six".