147906149 has 2 divisors, whose sum is σ = 147906150. Its totient is φ = 147906148.

The previous prime is 147906079. The next prime is 147906173. The reversal of 147906149 is 941609741.

147906149 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 can be written as a sum of positive squares in only one way, i.e., 93412225 + 54493924 = 9665^2 + 7382^2 .

It is an emirp because it is prime and its reverse (941609741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147906149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147900149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73953074 + 73953075.

It is an arithmetic number, because the mean of its divisors is an integer number (73953075).

Almost surely, 2^147906149 is an apocalyptic number.

It is an amenable number.

147906149 is a deficient number, since it is larger than the sum of its proper divisors (1).

147906149 is an equidigital number, since it uses as much as digits as its factorization.

147906149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 147906149 is about 12161.6671965648. The cubic root of 147906149 is about 528.8454146935.

The spelling of 147906149 in words is "one hundred forty-seven million, nine hundred six thousand, one hundred forty-nine".