190147145 has 8 divisors (see below), whose sum is σ = 230436360. Its totient is φ = 150611200.

The previous prime is 190147129. The next prime is 190147163. The reversal of 190147145 is 541741091.

It is a happy number.

190147145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13017664 + 177129481 = 3608^2 + 13309^2 .

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

It is not a de Polignac number, because 190147145 - 2⁴ = 190147129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187760 + ... + 188769.

It is an arithmetic number, because the mean of its divisors is an integer number (28804545).

Almost surely, 2^190147145 is an apocalyptic number.

It is an amenable number.

190147145 is a deficient number, since it is larger than the sum of its proper divisors (40289215).

190147145 is a wasteful number, since it uses less digits than its factorization.

190147145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376635.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 190147145 is about 13789.3852292261. The cubic root of 190147145 is about 575.0380768736.

The spelling of 190147145 in words is "one hundred ninety million, one hundred forty-seven thousand, one hundred forty-five".