190534345 has 4 divisors (see below), whose sum is σ = 228641220. Its totient is φ = 152427472.

The previous prime is 190534343. The next prime is 190534363. The reversal of 190534345 is 543435091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543435091 = 229 ⋅2373079.

It can be written as a sum of positive squares in 2 ways, for example, as 86657481 + 103876864 = 9309^2 + 10192^2 .

It is a cyclic number.

It is not a de Polignac number, because 190534345 - 2¹ = 190534343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190534345.

It is not an unprimeable number, because it can be changed into a prime (190534343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19053430 + ... + 19053439.

It is an arithmetic number, because the mean of its divisors is an integer number (57160305).

Almost surely, 2^190534345 is an apocalyptic number.

It is an amenable number.

190534345 is a deficient number, since it is larger than the sum of its proper divisors (38106875).

190534345 is an equidigital number, since it uses as much as digits as its factorization.

190534345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38106874.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 190534345 is about 13803.4178738456. The cubic root of 190534345 is about 575.4281323087.

The spelling of 190534345 in words is "one hundred ninety million, five hundred thirty-four thousand, three hundred forty-five".