147984149 has 2 divisors, whose sum is σ = 147984150. Its totient is φ = 147984148.

The previous prime is 147984107. The next prime is 147984169. The reversal of 147984149 is 941489741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97318225 + 50665924 = 9865^2 + 7118^2 .

It is an emirp because it is prime and its reverse (941489741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147984149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147984169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73992074 + 73992075.

It is an arithmetic number, because the mean of its divisors is an integer number (73992075).

Almost surely, 2^147984149 is an apocalyptic number.

It is an amenable number.

147984149 is a deficient number, since it is larger than the sum of its proper divisors (1).

147984149 is an equidigital number, since it uses as much as digits as its factorization.

147984149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 47.

The square root of 147984149 is about 12164.8735710652. The cubic root of 147984149 is about 528.9383625832.

The spelling of 147984149 in words is "one hundred forty-seven million, nine hundred eighty-four thousand, one hundred forty-nine".