150845 has 4 divisors (see below), whose sum is σ = 181020. Its totient is φ = 120672.

The previous prime is 150833. The next prime is 150847. The reversal of 150845 is 548051.

Added to its reverse (548051) it gives a square (698896 = 836²).

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70756 + 80089 = 266^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 150845 - 2⁸ = 150589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15080 + ... + 15089.

It is an arithmetic number, because the mean of its divisors is an integer number (45255).

2¹⁵⁰⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

150845 is a deficient number, since it is larger than the sum of its proper divisors (30175).

150845 is an equidigital number, since it uses as much as digits as its factorization.

150845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30174.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 150845 is about 388.3876929049. The cubic root of 150845 is about 53.2325135263.

Adding to 150845 its reverse (548051), we get a palindrome (698896).

The spelling of 150845 in words is "one hundred fifty thousand, eight hundred forty-five".