152243389 has 2 divisors, whose sum is σ = 152243390. Its totient is φ = 152243388.

The previous prime is 152243341. The next prime is 152243393. The reversal of 152243389 is 983342251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119180889 + 33062500 = 10917^2 + 5750^2 .

It is a cyclic number.

It is not a de Polignac number, because 152243389 - 2⁷ = 152243261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152243309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76121694 + 76121695.

It is an arithmetic number, because the mean of its divisors is an integer number (76121695).

Almost surely, 2^152243389 is an apocalyptic number.

It is an amenable number.

152243389 is a deficient number, since it is larger than the sum of its proper divisors (1).

152243389 is an equidigital number, since it uses as much as digits as its factorization.

152243389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 152243389 is about 12338.6947851059. The cubic root of 152243389 is about 533.9650285467.

The spelling of 152243389 in words is "one hundred fifty-two million, two hundred forty-three thousand, three hundred eighty-nine".