149030111 has 2 divisors, whose sum is σ = 149030112. Its totient is φ = 149030110.

The previous prime is 149030093. The next prime is 149030149. The reversal of 149030111 is 111030941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149030111 - 2²⁶ = 81921247 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 (149030611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74515055 + 74515056.

It is an arithmetic number, because the mean of its divisors is an integer number (74515056).

Almost surely, 2^149030111 is an apocalyptic number.

149030111 is a deficient number, since it is larger than the sum of its proper divisors (1).

149030111 is an equidigital number, since it uses as much as digits as its factorization.

149030111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 149030111 is about 12207.7889480446. The cubic root of 149030111 is about 530.1816287427.

The spelling of 149030111 in words is "one hundred forty-nine million, thirty thousand, one hundred eleven".