149441 has 2 divisors, whose sum is σ = 149442. Its totient is φ = 149440.

The previous prime is 149423. The next prime is 149459. The reversal of 149441 is 144941.

It is a balanced prime because it is at equal distance from previous prime (149423) and next prime (149459).

It can be written as a sum of positive squares in only one way, i.e., 144400 + 5041 = 380^2 + 71^2 .

It is an emirp because it is prime and its reverse (144941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149441 - 2⁶ = 149377 is a prime.

It is a super-2 number, since 2×149441² = 44665224962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74720 + 74721.

It is an arithmetic number, because the mean of its divisors is an integer number (74721).

2¹⁴⁹⁴⁴¹ is an apocalyptic number.

It is an amenable number.

149441 is a deficient number, since it is larger than the sum of its proper divisors (1).

149441 is an equidigital number, since it uses as much as digits as its factorization.

149441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 149441 is about 386.5759951161. The cubic root of 149441 is about 53.0668433942.

The spelling of 149441 in words is "one hundred forty-nine thousand, four hundred forty-one".