153452321 has 20 divisors (see below), whose sum is σ = 173160960. Its totient is φ = 135921720.

The previous prime is 153452291. The next prime is 153452323. The reversal of 153452321 is 123254351.

153452321 = 65³ + 66³ + ... + 158³.

It is a happy number.

153452321 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 153452321 - 2¹⁴ = 153435937 is a prime.

It is a super-2 number, since 2×153452321² = 47095229640574082, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153452323) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 688016 + ... + 688238.

It is an arithmetic number, because the mean of its divisors is an integer number (8658048).

Almost surely, 2^153452321 is an apocalyptic number.

153452321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

153452321 is a deficient number, since it is larger than the sum of its proper divisors (19708639).

153452321 is an frugal number, since it uses more digits than its factorization.

153452321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 281 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 153452321 is about 12387.5873760793. The cubic root of 153452321 is about 535.3746710223.

The spelling of 153452321 in words is "one hundred fifty-three million, four hundred fifty-two thousand, three hundred twenty-one".