149306 has 4 divisors (see below), whose sum is σ = 223962. Its totient is φ = 74652.

The previous prime is 149297. The next prime is 149309. The reversal of 149306 is 603941.

149306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 603941 = 13 ⋅46457.

It can be written as a sum of positive squares in only one way, i.e., 105625 + 43681 = 325^2 + 209^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149306.

It is not an unprimeable number, because it can be changed into a prime (149309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37325 + ... + 37328.

2¹⁴⁹³⁰⁶ is an apocalyptic number.

149306 is a deficient number, since it is larger than the sum of its proper divisors (74656).

149306 is an equidigital number, since it uses as much as digits as its factorization.

149306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74655.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 149306 is about 386.4013457534. The cubic root of 149306 is about 53.0508589763.

The spelling of 149306 in words is "one hundred forty-nine thousand, three hundred six".