149865151 has 2 divisors, whose sum is σ = 149865152. Its totient is φ = 149865150.

The previous prime is 149865101. The next prime is 149865161. The reversal of 149865151 is 151568941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149865151 - 2¹⁵ = 149832383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149865101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74932575 + 74932576.

It is an arithmetic number, because the mean of its divisors is an integer number (74932576).

Almost surely, 2^149865151 is an apocalyptic number.

149865151 is a deficient number, since it is larger than the sum of its proper divisors (1).

149865151 is an equidigital number, since it uses as much as digits as its factorization.

149865151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 40.

The square root of 149865151 is about 12241.9422887057. The cubic root of 149865151 is about 531.1700163599.

The spelling of 149865151 in words is "one hundred forty-nine million, eight hundred sixty-five thousand, one hundred fifty-one".