147943967 has 2 divisors, whose sum is σ = 147943968. Its totient is φ = 147943966.

The previous prime is 147943909. The next prime is 147943969. The reversal of 147943967 is 769349741.

It is a happy number.

147943967 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 not a de Polignac number, because 147943967 - 2⁶ = 147943903 is a prime.

Together with 147943969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147943969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73971983 + 73971984.

It is an arithmetic number, because the mean of its divisors is an integer number (73971984).

Almost surely, 2^147943967 is an apocalyptic number.

147943967 is a deficient number, since it is larger than the sum of its proper divisors (1).

147943967 is an equidigital number, since it uses as much as digits as its factorization.

147943967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 147943967 is about 12163.2219004670. The cubic root of 147943967 is about 528.8904842003.

The spelling of 147943967 in words is "one hundred forty-seven million, nine hundred forty-three thousand, nine hundred sixty-seven".