152494193 has 2 divisors, whose sum is σ = 152494194. Its totient is φ = 152494192.

The previous prime is 152494187. The next prime is 152494207. The reversal of 152494193 is 391494251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146700544 + 5793649 = 12112^2 + 2407^2 .

It is an emirp because it is prime and its reverse (391494251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152494193 - 2¹² = 152490097 is a prime.

It is not a weakly prime, because it can be changed into another prime (152494103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76247096 + 76247097.

It is an arithmetic number, because the mean of its divisors is an integer number (76247097).

Almost surely, 2^152494193 is an apocalyptic number.

It is an amenable number.

152494193 is a deficient number, since it is larger than the sum of its proper divisors (1).

152494193 is an equidigital number, since it uses as much as digits as its factorization.

152494193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The square root of 152494193 is about 12348.8539144327. The cubic root of 152494193 is about 534.2580836199.

The spelling of 152494193 in words is "one hundred fifty-two million, four hundred ninety-four thousand, one hundred ninety-three".