153218432 has 48 divisors (see below), whose sum is σ = 322590300. Its totient is φ = 72288000.

The previous prime is 153218431. The next prime is 153218441. The reversal of 153218432 is 234812351.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 153218395 and 153218404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153218431) 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 5 ways as a sum of consecutive naturals, for example, 610307 + ... + 610557.

Almost surely, 2^153218432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153218432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161295150).

153218432 is an abundant number, since it is smaller than the sum of its proper divisors (169371868).

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

153218432 is an frugal number, since it uses more digits than its factorization.

153218432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 272 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 153218432 is about 12378.1433179617. The cubic root of 153218432 is about 535.1025302081.

The spelling of 153218432 in words is "one hundred fifty-three million, two hundred eighteen thousand, four hundred thirty-two".