149358173 has 2 divisors, whose sum is σ = 149358174. Its totient is φ = 149358172.

The previous prime is 149358161. The next prime is 149358193. The reversal of 149358173 is 371853941.

149358173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98049604 + 51308569 = 9902^2 + 7163^2 .

It is a cyclic number.

It is not a de Polignac number, because 149358173 - 2¹⁸ = 149096029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149358173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149358103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74679086 + 74679087.

It is an arithmetic number, because the mean of its divisors is an integer number (74679087).

Almost surely, 2^149358173 is an apocalyptic number.

It is an amenable number.

149358173 is a deficient number, since it is larger than the sum of its proper divisors (1).

149358173 is an equidigital number, since it uses as much as digits as its factorization.

149358173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 149358173 is about 12221.2181471407. The cubic root of 149358173 is about 530.5703756288.

The spelling of 149358173 in words is "one hundred forty-nine million, three hundred fifty-eight thousand, one hundred seventy-three".