151681147 has 2 divisors, whose sum is σ = 151681148. Its totient is φ = 151681146.

The previous prime is 151681129. The next prime is 151681163. The reversal of 151681147 is 741186151.

151681147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151681147 is a prime.

It is not a weakly prime, because it can be changed into another prime (151681547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75840573 + 75840574.

It is an arithmetic number, because the mean of its divisors is an integer number (75840574).

Almost surely, 2^151681147 is an apocalyptic number.

151681147 is a deficient number, since it is larger than the sum of its proper divisors (1).

151681147 is an equidigital number, since it uses as much as digits as its factorization.

151681147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 34.

The square root of 151681147 is about 12315.8900206197. The cubic root of 151681147 is about 533.3068983859.

The spelling of 151681147 in words is "one hundred fifty-one million, six hundred eighty-one thousand, one hundred forty-seven".