190045225 has 6 divisors (see below), whose sum is σ = 235656110. Its totient is φ = 152036160.

The previous prime is 190045223. The next prime is 190045231. The reversal of 190045225 is 522540091.

It can be written as a sum of positive squares in 3 ways, for example, as 597529 + 189447696 = 773^2 + 13764^2 .

It is not a de Polignac number, because 190045225 - 2¹ = 190045223 is a prime.

It is a super-2 number, since 2×190045225² = 72234375090601250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190045193 and 190045202.

It is not an unprimeable number, because it can be changed into a prime (190045223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3800880 + ... + 3800929.

Almost surely, 2^190045225 is an apocalyptic number.

It is an amenable number.

190045225 is a deficient number, since it is larger than the sum of its proper divisors (45610885).

190045225 is an equidigital number, since it uses as much as digits as its factorization.

190045225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601819 (or 7601814 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 190045225 is about 13785.6891376529. The cubic root of 190045225 is about 574.9353172357.

The spelling of 190045225 in words is "one hundred ninety million, forty-five thousand, two hundred twenty-five".