152299969 has 2 divisors, whose sum is σ = 152299970. Its totient is φ = 152299968.

The previous prime is 152299963. The next prime is 152300017. The reversal of 152299969 is 969992251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149450625 + 2849344 = 12225^2 + 1688^2 .

It is a cyclic number.

It is not a de Polignac number, because 152299969 - 2⁹ = 152299457 is a prime.

It is a super-2 number, since 2×152299969² = 46390561114801922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (152299963) 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, 76149984 + 76149985.

It is an arithmetic number, because the mean of its divisors is an integer number (76149985).

Almost surely, 2^152299969 is an apocalyptic number.

It is an amenable number.

152299969 is a deficient number, since it is larger than the sum of its proper divisors (1).

152299969 is an equidigital number, since it uses as much as digits as its factorization.

152299969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 787320, while the sum is 52.

The square root of 152299969 is about 12340.9873592027. The cubic root of 152299969 is about 534.0311682537.

The spelling of 152299969 in words is "one hundred fifty-two million, two hundred ninety-nine thousand, nine hundred sixty-nine".