300189146 has 16 divisors (see below), whose sum is σ = 470314944. Its totient is φ = 143430144.

The previous prime is 300189143. The next prime is 300189163. The reversal of 300189146 is 641981003.

It is a happy number.

It is a super-2 number, since 2×300189146² = 180227046752418632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (300189143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57626 + ... + 62618.

It is an arithmetic number, because the mean of its divisors is an integer number (29394684).

Almost surely, 2^300189146 is an apocalyptic number.

300189146 is a deficient number, since it is larger than the sum of its proper divisors (170125798).

300189146 is a wasteful number, since it uses less digits than its factorization.

300189146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 300189146 is about 17325.9673900189. The cubic root of 300189146 is about 669.5736100413.

The spelling of 300189146 in words is "three hundred million, one hundred eighty-nine thousand, one hundred forty-six".