234540152 has 64 divisors (see below), whose sum is σ = 560010240. Its totient is φ = 89424000.

The previous prime is 234540149. The next prime is 234540227. The reversal of 234540152 is 251045432.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24902 + ... + 33002.

It is an arithmetic number, because the mean of its divisors is an integer number (8750160).

Almost surely, 2^234540152 is an apocalyptic number.

234540152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234540152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280005120).

234540152 is an abundant number, since it is smaller than the sum of its proper divisors (325470088).

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

234540152 is a wasteful number, since it uses less digits than its factorization.

234540152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172 (or 8168 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 234540152 is about 15314.7037842722. The cubic root of 234540152 is about 616.6978023075.

Adding to 234540152 its reverse (251045432), we get a palindrome (485585584).

The spelling of 234540152 in words is "two hundred thirty-four million, five hundred forty thousand, one hundred fifty-two".