150644 has 12 divisors (see below), whose sum is σ = 284004. Its totient is φ = 69504.

The previous prime is 150617. The next prime is 150649. The reversal of 150644 is 446051.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19600 + 131044 = 140^2 + 362^2 .

It is a super-2 number, since 2×150644² = 45387229472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150649) by changing a digit.

150644 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (23667).

2¹⁵⁰⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

150644 is a deficient number, since it is larger than the sum of its proper divisors (133360).

150644 is a wasteful number, since it uses less digits than its factorization.

150644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914 (or 2912 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 150644 is about 388.1288445864. The cubic root of 150644 is about 53.2088590218.

Adding to 150644 its reverse (446051), we get a palindrome (596695).

The spelling of 150644 in words is "one hundred fifty thousand, six hundred forty-four".