192143345 has 4 divisors (see below), whose sum is σ = 230572020. Its totient is φ = 153714672.

The previous prime is 192143339. The next prime is 192143383. The reversal of 192143345 is 543341291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543341291 = 47 ⋅11560453.

It can be written as a sum of positive squares in 2 ways, for example, as 133911184 + 58232161 = 11572^2 + 7631^2 .

It is a cyclic number.

It is not a de Polignac number, because 192143345 - 2¹⁸ = 191881201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19214330 + ... + 19214339.

It is an arithmetic number, because the mean of its divisors is an integer number (57643005).

Almost surely, 2^192143345 is an apocalyptic number.

It is an amenable number.

192143345 is a deficient number, since it is larger than the sum of its proper divisors (38428675).

192143345 is an equidigital number, since it uses as much as digits as its factorization.

192143345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38428674.

The product of its digits is 12960, while the sum is 32.

The square root of 192143345 is about 13861.5780126218. The cubic root of 192143345 is about 577.0433613426.

The spelling of 192143345 in words is "one hundred ninety-two million, one hundred forty-three thousand, three hundred forty-five".