192239945 has 8 divisors (see below), whose sum is σ = 232844544. Its totient is φ = 152354224.

The previous prime is 192239923. The next prime is 192239947. The reversal of 192239945 is 549932291.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 192239945 - 2⁶ = 192239881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 192239896 and 192239905.

It is not an unprimeable number, because it can be changed into a prime (192239947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179129 + ... + 180198.

It is an arithmetic number, because the mean of its divisors is an integer number (29105568).

Almost surely, 2^192239945 is an apocalyptic number.

It is an amenable number.

192239945 is a deficient number, since it is larger than the sum of its proper divisors (40604599).

192239945 is a wasteful number, since it uses less digits than its factorization.

192239945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359439.

The product of its digits is 174960, while the sum is 44.

The square root of 192239945 is about 13865.0620265472. The cubic root of 192239945 is about 577.1400479246.

The spelling of 192239945 in words is "one hundred ninety-two million, two hundred thirty-nine thousand, nine hundred forty-five".