192045012457 has 2 divisors, whose sum is σ = 192045012458. Its totient is φ = 192045012456.

The previous prime is 192045012451. The next prime is 192045012479. The reversal of 192045012457 is 754210540291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188164220841 + 3880791616 = 433779^2 + 62296^2 .

It is a cyclic number.

It is not a de Polignac number, because 192045012457 - 2⁷ = 192045012329 is a prime.

It is not a weakly prime, because it can be changed into another prime (192045012451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96022506228 + 96022506229.

It is an arithmetic number, because the mean of its divisors is an integer number (96022506229).

Almost surely, 2^192045012457 is an apocalyptic number.

It is an amenable number.

192045012457 is a deficient number, since it is larger than the sum of its proper divisors (1).

192045012457 is an equidigital number, since it uses as much as digits as its factorization.

192045012457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 192045012457 in words is "one hundred ninety-two billion, forty-five million, twelve thousand, four hundred fifty-seven".