149269 has 2 divisors, whose sum is σ = 149270. Its totient is φ = 149268.

The previous prime is 149257. The next prime is 149287. The reversal of 149269 is 962941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131044 + 18225 = 362^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 149269 - 2¹¹ = 147221 is a prime.

It is a super-2 number, since 2×149269² = 44562468722, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 149269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74634 + 74635.

It is an arithmetic number, because the mean of its divisors is an integer number (74635).

2¹⁴⁹²⁶⁹ is an apocalyptic number.

It is an amenable number.

149269 is a deficient number, since it is larger than the sum of its proper divisors (1).

149269 is an equidigital number, since it uses as much as digits as its factorization.

149269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 149269 is about 386.3534651068. The cubic root of 149269 is about 53.0464763796.

The spelling of 149269 in words is "one hundred forty-nine thousand, two hundred sixty-nine".