151646149 has 2 divisors, whose sum is σ = 151646150. Its totient is φ = 151646148.

The previous prime is 151646101. The next prime is 151646177. The reversal of 151646149 is 941646151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107848225 + 43797924 = 10385^2 + 6618^2 .

It is a cyclic number.

It is not a de Polignac number, because 151646149 - 2²⁷ = 17428421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151646849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75823074 + 75823075.

It is an arithmetic number, because the mean of its divisors is an integer number (75823075).

Almost surely, 2^151646149 is an apocalyptic number.

It is an amenable number.

151646149 is a deficient number, since it is larger than the sum of its proper divisors (1).

151646149 is an equidigital number, since it uses as much as digits as its factorization.

151646149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 151646149 is about 12314.4690912763. The cubic root of 151646149 is about 533.2658778836.

The spelling of 151646149 in words is "one hundred fifty-one million, six hundred forty-six thousand, one hundred forty-nine".