150149 has 4 divisors (see below), whose sum is σ = 153036. Its totient is φ = 147264.

The previous prime is 150131. The next prime is 150151. The reversal of 150149 is 941051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 941051 = 19 ⋅49529.

It can be written as a sum of positive squares in 2 ways, for example, as 84100 + 66049 = 290^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 150149 - 2⁸ = 149893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 150149.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 150149.

It is not an unprimeable number, because it can be changed into a prime (150169) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364 + ... + 1469.

It is an arithmetic number, because the mean of its divisors is an integer number (38259).

2¹⁵⁰¹⁴⁹ is an apocalyptic number.

It is an amenable number.

150149 is a deficient number, since it is larger than the sum of its proper divisors (2887).

150149 is an equidigital number, since it uses as much as digits as its factorization.

150149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 150149 is about 387.4906450484. The cubic root of 150149 is about 53.1505155401.

The spelling of 150149 in words is "one hundred fifty thousand, one hundred forty-nine".