190230449 has 4 divisors (see below), whose sum is σ = 190285680. Its totient is φ = 190175220.

The previous prime is 190230437. The next prime is 190230511. The reversal of 190230449 is 944032091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 944032091 = 2833 ⋅333227.

It is a cyclic number.

It is not a de Polignac number, because 190230449 - 2⁴ = 190230433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190230419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22079 + ... + 29460.

It is an arithmetic number, because the mean of its divisors is an integer number (47571420).

Almost surely, 2^190230449 is an apocalyptic number.

It is an amenable number.

190230449 is a deficient number, since it is larger than the sum of its proper divisors (55231).

190230449 is an equidigital number, since it uses as much as digits as its factorization.

190230449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55230.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 190230449 is about 13792.4054827285. The cubic root of 190230449 is about 575.1220398805.

The spelling of 190230449 in words is "one hundred ninety million, two hundred thirty thousand, four hundred forty-nine".