150805189 has 2 divisors, whose sum is σ = 150805190. Its totient is φ = 150805188.

The previous prime is 150805183. The next prime is 150805199. The reversal of 150805189 is 981508051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145202500 + 5602689 = 12050^2 + 2367^2 .

It is a cyclic number.

It is not a de Polignac number, because 150805189 - 2⁵ = 150805157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150805183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75402594 + 75402595.

It is an arithmetic number, because the mean of its divisors is an integer number (75402595).

Almost surely, 2^150805189 is an apocalyptic number.

It is an amenable number.

150805189 is a deficient number, since it is larger than the sum of its proper divisors (1).

150805189 is an equidigital number, since it uses as much as digits as its factorization.

150805189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 37.

The square root of 150805189 is about 12280.2764219703. The cubic root of 150805189 is about 532.2783007403.

The spelling of 150805189 in words is "one hundred fifty million, eight hundred five thousand, one hundred eighty-nine".