153530 has 16 divisors (see below), whose sum is σ = 297864. Its totient is φ = 56640.

The previous prime is 153529. The next prime is 153533. The reversal of 153530 is 35351.

It can be written as a sum of positive squares in 4 ways, for example, as 128881 + 24649 = 359^2 + 157^2 .

It is a junction number, because it is equal to n+sod(n) for n = 153499 and 153508.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 153530.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461 + ... + 720.

2¹⁵³⁵³⁰ is an apocalyptic number.

153530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153530 is a deficient number, since it is larger than the sum of its proper divisors (144334).

153530 is a wasteful number, since it uses less digits than its factorization.

153530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 153530 is about 391.8290443548. The cubic root of 153530 is about 53.5464993005.

Adding to 153530 its reverse (35351), we get a palindrome (188881).

The spelling of 153530 in words is "one hundred fifty-three thousand, five hundred thirty".