150000187 has 2 divisors, whose sum is σ = 150000188. Its totient is φ = 150000186.

The previous prime is 150000167. The next prime is 150000199. The reversal of 150000187 is 781000051.

150000187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150000187 - 2¹⁹ = 149475899 is a prime.

It is a super-2 number, since 2×150000187² = 45000112200069938, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (150000107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75000093 + 75000094.

It is an arithmetic number, because the mean of its divisors is an integer number (75000094).

Almost surely, 2^150000187 is an apocalyptic number.

150000187 is a deficient number, since it is larger than the sum of its proper divisors (1).

150000187 is an equidigital number, since it uses as much as digits as its factorization.

150000187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 150000187 is about 12247.4563481565. The cubic root of 150000187 is about 531.3295053880.

The spelling of 150000187 in words is "one hundred fifty million, one hundred eighty-seven", and thus it is an aban number.