150643249 has 2 divisors, whose sum is σ = 150643250. Its totient is φ = 150643248.

The previous prime is 150643237. The next prime is 150643271. The reversal of 150643249 is 942346051.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122213025 + 28430224 = 11055^2 + 5332^2 .

It is a cyclic number.

It is not a de Polignac number, because 150643249 - 2¹¹ = 150641201 is a prime.

It is not a weakly prime, because it can be changed into another prime (150643279) 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, 75321624 + 75321625.

It is an arithmetic number, because the mean of its divisors is an integer number (75321625).

Almost surely, 2^150643249 is an apocalyptic number.

It is an amenable number.

150643249 is a deficient number, since it is larger than the sum of its proper divisors (1).

150643249 is an equidigital number, since it uses as much as digits as its factorization.

150643249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 150643249 is about 12273.6811511461. The cubic root of 150643249 is about 532.0877060159.

The spelling of 150643249 in words is "one hundred fifty million, six hundred forty-three thousand, two hundred forty-nine".