150645 has 24 divisors (see below), whose sum is σ = 268128. Its totient is φ = 72160.

The previous prime is 150617. The next prime is 150649. The reversal of 150645 is 546051.

It is a happy number.

150645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 150645 - 2⁷ = 150517 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150649) 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, 1774 + ... + 1856.

It is an arithmetic number, because the mean of its divisors is an integer number (11172).

2¹⁵⁰⁶⁴⁵ is an apocalyptic number.

150645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

150645 is a deficient number, since it is larger than the sum of its proper divisors (117483).

150645 is a wasteful number, since it uses less digits than its factorization.

150645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 150645 is about 388.1301328163. The cubic root of 150645 is about 53.2089767580.

Adding to 150645 its reverse (546051), we get a palindrome (696696).

It can be divided in two parts, 1506 and 45, that added together give a palindrome (1551).

The spelling of 150645 in words is "one hundred fifty thousand, six hundred forty-five".