153205530 has 128 divisors (see below), whose sum is σ = 418411008. Its totient is φ = 35684352.

The previous prime is 153205529. The next prime is 153205541. The reversal of 153205530 is 35502351.

153205530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 153205530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 433834 + ... + 434186.

It is an arithmetic number, because the mean of its divisors is an integer number (3268836).

Almost surely, 2^153205530 is an apocalyptic number.

153205530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 153205530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209205504).

153205530 is an abundant number, since it is smaller than the sum of its proper divisors (265205478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153205530 is a wasteful number, since it uses less digits than its factorization.

153205530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 153205530 is about 12377.6221464383. The cubic root of 153205530 is about 535.0875100687.

Adding to 153205530 its reverse (35502351), we get a palindrome (188707881).

It can be divided in two parts, 153205 and 530, that added together give a triangular number (153735 = T₅₅₄).

The spelling of 153205530 in words is "one hundred fifty-three million, two hundred five thousand, five hundred thirty".