151005187 has 2 divisors, whose sum is σ = 151005188. Its totient is φ = 151005186.

The previous prime is 151005161. The next prime is 151005191. The reversal of 151005187 is 781500151.

It is a strong prime.

It is an emirp because it is prime and its reverse (781500151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151005187 is a prime.

It is not a weakly prime, because it can be changed into another prime (151005287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75502593 + 75502594.

It is an arithmetic number, because the mean of its divisors is an integer number (75502594).

Almost surely, 2^151005187 is an apocalyptic number.

151005187 is a deficient number, since it is larger than the sum of its proper divisors (1).

151005187 is an equidigital number, since it uses as much as digits as its factorization.

151005187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 28.

The square root of 151005187 is about 12288.4167816688. The cubic root of 151005187 is about 532.5134994778.

The spelling of 151005187 in words is "one hundred fifty-one million, five thousand, one hundred eighty-seven".