147431093 has 2 divisors, whose sum is σ = 147431094. Its totient is φ = 147431092.

The previous prime is 147431059. The next prime is 147431101. The reversal of 147431093 is 390134741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104489284 + 42941809 = 10222^2 + 6553^2 .

It is an emirp because it is prime and its reverse (390134741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147431093 - 2⁸ = 147430837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147430093) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73715546 + 73715547.

It is an arithmetic number, because the mean of its divisors is an integer number (73715547).

Almost surely, 2^147431093 is an apocalyptic number.

It is an amenable number.

147431093 is a deficient number, since it is larger than the sum of its proper divisors (1).

147431093 is an equidigital number, since it uses as much as digits as its factorization.

147431093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 147431093 is about 12142.1206137972. The cubic root of 147431093 is about 528.2786123792.

The spelling of 147431093 in words is "one hundred forty-seven million, four hundred thirty-one thousand, ninety-three".