152099449 has 2 divisors, whose sum is σ = 152099450. Its totient is φ = 152099448.

The previous prime is 152099429. The next prime is 152099491. The reversal of 152099449 is 944990251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134096400 + 18003049 = 11580^2 + 4243^2 .

It is a cyclic number.

It is not a de Polignac number, because 152099449 - 2²³ = 143710841 is a prime.

It is a super-2 number, since 2×152099449² = 46268484772207202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (152099419) 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, 76049724 + 76049725.

It is an arithmetic number, because the mean of its divisors is an integer number (76049725).

Almost surely, 2^152099449 is an apocalyptic number.

It is an amenable number.

152099449 is a deficient number, since it is larger than the sum of its proper divisors (1).

152099449 is an equidigital number, since it uses as much as digits as its factorization.

152099449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 152099449 is about 12332.8605359827. The cubic root of 152099449 is about 533.7966946664.

The spelling of 152099449 in words is "one hundred fifty-two million, ninety-nine thousand, four hundred forty-nine".