147434191 has 2 divisors, whose sum is σ = 147434192. Its totient is φ = 147434190.

The previous prime is 147434153. The next prime is 147434207. The reversal of 147434191 is 191434741.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147434191 - 2⁹ = 147433679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147434101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73717095 + 73717096.

It is an arithmetic number, because the mean of its divisors is an integer number (73717096).

Almost surely, 2^147434191 is an apocalyptic number.

147434191 is a deficient number, since it is larger than the sum of its proper divisors (1).

147434191 is an equidigital number, since it uses as much as digits as its factorization.

147434191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 147434191 is about 12142.2481855709. The cubic root of 147434191 is about 528.2823126292.

The spelling of 147434191 in words is "one hundred forty-seven million, four hundred thirty-four thousand, one hundred ninety-one".