153538 has 16 divisors (see below), whose sum is σ = 287424. Its totient is φ = 59760.

The previous prime is 153533. The next prime is 153557. The reversal of 153538 is 835351.

It is a happy number.

153538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (153533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345 + ... + 652.

It is an arithmetic number, because the mean of its divisors is an integer number (17964).

2¹⁵³⁵³⁸ is an apocalyptic number.

153538 is a deficient number, since it is larger than the sum of its proper divisors (133886).

153538 is a wasteful number, since it uses less digits than its factorization.

153538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017.

The product of its digits is 1800, while the sum is 25.

The square root of 153538 is about 391.8392527555. The cubic root of 153538 is about 53.5474293349.

Adding to 153538 its reverse (835351), we get a palindrome (988889).

It can be divided in two parts, 15 and 3538, that added together give a palindrome (3553).

The spelling of 153538 in words is "one hundred fifty-three thousand, five hundred thirty-eight".