151643651 has 2 divisors, whose sum is σ = 151643652. Its totient is φ = 151643650.

The previous prime is 151643647. The next prime is 151643659. The reversal of 151643651 is 156346151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151643651 - 2² = 151643647 is a prime.

It is equal to p_8531573 and since 151643651 and 8531573 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (151643659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75821825 + 75821826.

It is an arithmetic number, because the mean of its divisors is an integer number (75821826).

Almost surely, 2^151643651 is an apocalyptic number.

151643651 is a deficient number, since it is larger than the sum of its proper divisors (1).

151643651 is an equidigital number, since it uses as much as digits as its factorization.

151643651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 151643651 is about 12314.3676654549. The cubic root of 151643651 is about 533.2629497831.

The spelling of 151643651 in words is "one hundred fifty-one million, six hundred forty-three thousand, six hundred fifty-one".