150705 has 24 divisors (see below), whose sum is σ = 277992. Its totient is φ = 75264.

The previous prime is 150697. The next prime is 150707. The reversal of 150705 is 507051.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 76176 + 74529 = 276^2 + 273^2 .

It is not a de Polignac number, because 150705 - 2³ = 150697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 667 + ... + 863.

It is an arithmetic number, because the mean of its divisors is an integer number (11583).

2¹⁵⁰⁷⁰⁵ is an apocalyptic number.

150705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

150705 is a deficient number, since it is larger than the sum of its proper divisors (127287).

150705 is a wasteful number, since it uses less digits than its factorization.

150705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 150705 is about 388.2074187854. The cubic root of 150705 is about 53.2160399747.

Adding to 150705 its reverse (507051), we get a palindrome (657756).

The spelling of 150705 in words is "one hundred fifty thousand, seven hundred five".