146904189 has 8 divisors (see below), whose sum is σ = 200649792. Its totient is φ = 95547360.

The previous prime is 146904179. The next prime is 146904193. The reversal of 146904189 is 981409641.

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

It is not a de Polignac number, because 146904189 - 2¹⁹ = 146379901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146904189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146904119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597049 + ... + 597294.

It is an arithmetic number, because the mean of its divisors is an integer number (25081224).

Almost surely, 2^146904189 is an apocalyptic number.

It is an amenable number.

146904189 is a deficient number, since it is larger than the sum of its proper divisors (53745603).

146904189 is a wasteful number, since it uses less digits than its factorization.

146904189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194387.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 146904189 is about 12120.4038299060. The cubic root of 146904189 is about 527.6485228254.

The spelling of 146904189 in words is "one hundred forty-six million, nine hundred four thousand, one hundred eighty-nine".