149011 has 2 divisors, whose sum is σ = 149012. Its totient is φ = 149010.

The previous prime is 148997. The next prime is 149021. The reversal of 149011 is 110941.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149011 - 2¹⁵ = 116243 is a prime.

It is not a weakly prime, because it can be changed into another prime (149021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74505 + 74506.

It is an arithmetic number, because the mean of its divisors is an integer number (74506).

2¹⁴⁹⁰¹¹ is an apocalyptic number.

149011 is a deficient number, since it is larger than the sum of its proper divisors (1).

149011 is an equidigital number, since it uses as much as digits as its factorization.

149011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 149011 is about 386.0194295628. The cubic root of 149011 is about 53.0158965014.

Adding to 149011 its reverse (110941), we get a palindrome (259952).

It can be divided in two parts, 14 and 9011, that added together give a square (9025 = 95²).

The spelling of 149011 in words is "one hundred forty-nine thousand, eleven".