153945 has 24 divisors (see below), whose sum is σ = 292032. Its totient is φ = 74400.

The previous prime is 153941. The next prime is 153947. The reversal of 153945 is 549351.

153945 is nontrivially palindromic in base 6.

153945 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 153945 - 2² = 153941 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (153941) 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, 340 + ... + 650.

It is an arithmetic number, because the mean of its divisors is an integer number (12168).

2¹⁵³⁹⁴⁵ is an apocalyptic number.

153945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153945 is a deficient number, since it is larger than the sum of its proper divisors (138087).

153945 is a wasteful number, since it uses less digits than its factorization.

153945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 330 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 153945 is about 392.3582546602. The cubic root of 153945 is about 53.5947022684.

The spelling of 153945 in words is "one hundred fifty-three thousand, nine hundred forty-five".