150643499 has 2 divisors, whose sum is σ = 150643500. Its totient is φ = 150643498.

The previous prime is 150643453. The next prime is 150643523. The reversal of 150643499 is 994346051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150643499 - 2¹² = 150639403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (150543499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75321749 + 75321750.

It is an arithmetic number, because the mean of its divisors is an integer number (75321750).

Almost surely, 2^150643499 is an apocalyptic number.

150643499 is a deficient number, since it is larger than the sum of its proper divisors (1).

150643499 is an equidigital number, since it uses as much as digits as its factorization.

150643499 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 41.

The square root of 150643499 is about 12273.6913355355. The cubic root of 150643499 is about 532.0880003578.

The spelling of 150643499 in words is "one hundred fifty million, six hundred forty-three thousand, four hundred ninety-nine".