150649799 has 2 divisors, whose sum is σ = 150649800. Its totient is φ = 150649798.

The previous prime is 150649787. The next prime is 150649853. The reversal of 150649799 is 997946051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150649799 - 2⁴ = 150649783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150609799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75324899 + 75324900.

It is an arithmetic number, because the mean of its divisors is an integer number (75324900).

Almost surely, 2^150649799 is an apocalyptic number.

150649799 is a deficient number, since it is larger than the sum of its proper divisors (1).

150649799 is an equidigital number, since it uses as much as digits as its factorization.

150649799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 150649799 is about 12273.9479793586. The cubic root of 150649799 is about 532.0954176658.

The spelling of 150649799 in words is "one hundred fifty million, six hundred forty-nine thousand, seven hundred ninety-nine".