151813643 has 2 divisors, whose sum is σ = 151813644. Its totient is φ = 151813642.

The previous prime is 151813609. The next prime is 151813661. The reversal of 151813643 is 346318151.

It is a strong prime.

It is an emirp because it is prime and its reverse (346318151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151813643 - 2¹² = 151809547 is a prime.

It is a Chen prime.

It is equal to p_8540573 and since 151813643 and 8540573 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 (151813943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75906821 + 75906822.

It is an arithmetic number, because the mean of its divisors is an integer number (75906822).

Almost surely, 2^151813643 is an apocalyptic number.

151813643 is a deficient number, since it is larger than the sum of its proper divisors (1).

151813643 is an equidigital number, since it uses as much as digits as its factorization.

151813643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 151813643 is about 12321.2679136524. The cubic root of 151813643 is about 533.4621373365.

The spelling of 151813643 in words is "one hundred fifty-one million, eight hundred thirteen thousand, six hundred forty-three".