150193889 has 2 divisors, whose sum is σ = 150193890. Its totient is φ = 150193888.

The previous prime is 150193873. The next prime is 150193903. The reversal of 150193889 is 988391051.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149646289 + 547600 = 12233^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 150193889 - 2⁴ = 150193873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (150193829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75096944 + 75096945.

It is an arithmetic number, because the mean of its divisors is an integer number (75096945).

Almost surely, 2^150193889 is an apocalyptic number.

It is an amenable number.

150193889 is a deficient number, since it is larger than the sum of its proper divisors (1).

150193889 is an equidigital number, since it uses as much as digits as its factorization.

150193889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 150193889 is about 12255.3616429708. The cubic root of 150193889 is about 531.5581169209.

The spelling of 150193889 in words is "one hundred fifty million, one hundred ninety-three thousand, eight hundred eighty-nine".