152243761 has 2 divisors, whose sum is σ = 152243762. Its totient is φ = 152243760.

The previous prime is 152243747. The next prime is 152243771. The reversal of 152243761 is 167342251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131813361 + 20430400 = 11481^2 + 4520^2 .

It is a cyclic number.

It is not a de Polignac number, because 152243761 - 2⁹ = 152243249 is a prime.

It is not a weakly prime, because it can be changed into another prime (152243771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76121880 + 76121881.

It is an arithmetic number, because the mean of its divisors is an integer number (76121881).

Almost surely, 2^152243761 is an apocalyptic number.

It is an amenable number.

152243761 is a deficient number, since it is larger than the sum of its proper divisors (1).

152243761 is an equidigital number, since it uses as much as digits as its factorization.

152243761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 152243761 is about 12338.7098596247. The cubic root of 152243761 is about 533.9654634530.

The spelling of 152243761 in words is "one hundred fifty-two million, two hundred forty-three thousand, seven hundred sixty-one".