149231183 has 2 divisors, whose sum is σ = 149231184. Its totient is φ = 149231182.

The previous prime is 149231123. The next prime is 149231189. The reversal of 149231183 is 381132941.

149231183 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 is a cyclic number.

It is not a de Polignac number, because 149231183 - 2⁸ = 149230927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149231189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74615591 + 74615592.

It is an arithmetic number, because the mean of its divisors is an integer number (74615592).

Almost surely, 2^149231183 is an apocalyptic number.

149231183 is a deficient number, since it is larger than the sum of its proper divisors (1).

149231183 is an equidigital number, since it uses as much as digits as its factorization.

149231183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 149231183 is about 12216.0215700530. The cubic root of 149231183 is about 530.4199626200.

The spelling of 149231183 in words is "one hundred forty-nine million, two hundred thirty-one thousand, one hundred eighty-three".