190303450 has 24 divisors (see below), whose sum is σ = 359253792. Its totient is φ = 74983920.

The previous prime is 190303441. The next prime is 190303453. The reversal of 190303450 is 54303091.

190303450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (190303453) 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 11 ways as a sum of consecutive naturals, for example, 25054 + ... + 31753.

It is an arithmetic number, because the mean of its divisors is an integer number (14968908).

Almost surely, 2^190303450 is an apocalyptic number.

190303450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190303450 is a deficient number, since it is larger than the sum of its proper divisors (168950342).

190303450 is a wasteful number, since it uses less digits than its factorization.

190303450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56886 (or 56881 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 190303450 is about 13795.0516490516. The cubic root of 190303450 is about 575.1955982319.

The spelling of 190303450 in words is "one hundred ninety million, three hundred three thousand, four hundred fifty".