149069 has 2 divisors, whose sum is σ = 149070. Its totient is φ = 149068.

The previous prime is 149059. The next prime is 149077. The reversal of 149069 is 960941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122500 + 26569 = 350^2 + 163^2 .

It is an emirp because it is prime and its reverse (960941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149069 - 2⁴ = 149053 is a prime.

It is a super-2 number, since 2×149069² = 44443133522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74534 + 74535.

It is an arithmetic number, because the mean of its divisors is an integer number (74535).

2¹⁴⁹⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

149069 is a deficient number, since it is larger than the sum of its proper divisors (1).

149069 is an equidigital number, since it uses as much as digits as its factorization.

149069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 149069 is about 386.0945480061. The cubic root of 149069 is about 53.0227741214.

The spelling of 149069 in words is "one hundred forty-nine thousand, sixty-nine".