149108177 has 2 divisors, whose sum is σ = 149108178. Its totient is φ = 149108176.

The previous prime is 149108131. The next prime is 149108209. The reversal of 149108177 is 771801941.

It is a happy number.

149108177 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., 146870161 + 2238016 = 12119^2 + 1496^2 .

It is a cyclic number.

It is not a de Polignac number, because 149108177 - 2²⁰ = 148059601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149108177.

It is not a weakly prime, because it can be changed into another prime (149108107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74554088 + 74554089.

It is an arithmetic number, because the mean of its divisors is an integer number (74554089).

Almost surely, 2^149108177 is an apocalyptic number.

It is an amenable number.

149108177 is a deficient number, since it is larger than the sum of its proper divisors (1).

149108177 is an equidigital number, since it uses as much as digits as its factorization.

149108177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 38.

The square root of 149108177 is about 12210.9859143314. The cubic root of 149108177 is about 530.2741870719.

The spelling of 149108177 in words is "one hundred forty-nine million, one hundred eight thousand, one hundred seventy-seven".