150049987 has 2 divisors, whose sum is σ = 150049988. Its totient is φ = 150049986.

The previous prime is 150049969. The next prime is 150049997. The reversal of 150049987 is 789940051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150049987 - 2¹⁹ = 149525699 is a prime.

It is not a weakly prime, because it can be changed into another prime (150049927) 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, 75024993 + 75024994.

It is an arithmetic number, because the mean of its divisors is an integer number (75024994).

Almost surely, 2^150049987 is an apocalyptic number.

150049987 is a deficient number, since it is larger than the sum of its proper divisors (1).

150049987 is an equidigital number, since it uses as much as digits as its factorization.

150049987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 150049987 is about 12249.4892546587. The cubic root of 150049987 is about 531.3882992740.

The spelling of 150049987 in words is "one hundred fifty million, forty-nine thousand, nine hundred eighty-seven".