149094193 has 2 divisors, whose sum is σ = 149094194. Its totient is φ = 149094192.

The previous prime is 149094167. The next prime is 149094217. The reversal of 149094193 is 391490941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147573904 + 1520289 = 12148^2 + 1233^2 .

It is an emirp because it is prime and its reverse (391490941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149094193 - 2⁵ = 149094161 is a prime.

It is not a weakly prime, because it can be changed into another prime (149094493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74547096 + 74547097.

It is an arithmetic number, because the mean of its divisors is an integer number (74547097).

Almost surely, 2^149094193 is an apocalyptic number.

It is an amenable number.

149094193 is a deficient number, since it is larger than the sum of its proper divisors (1).

149094193 is an equidigital number, since it uses as much as digits as its factorization.

149094193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 149094193 is about 12210.4133017683. The cubic root of 149094193 is about 530.2576094296.

The spelling of 149094193 in words is "one hundred forty-nine million, ninety-four thousand, one hundred ninety-three".