234145660 has 24 divisors (see below), whose sum is σ = 561949920. Its totient is φ = 80278464.

The previous prime is 234145649. The next prime is 234145663. The reversal of 234145660 is 66541432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234145663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836095 + ... + 836374.

It is an arithmetic number, because the mean of its divisors is an integer number (23414580).

Almost surely, 2^234145660 is an apocalyptic number.

234145660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234145660 is an abundant number, since it is smaller than the sum of its proper divisors (327804260).

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

234145660 is a wasteful number, since it uses less digits than its factorization.

234145660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672485 (or 1672483 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 234145660 is about 15301.8188461372. The cubic root of 234145660 is about 616.3518503476.

The spelling of 234145660 in words is "two hundred thirty-four million, one hundred forty-five thousand, six hundred sixty".