232145761 has 4 divisors (see below), whose sum is σ = 245801412. Its totient is φ = 218490112.

The previous prime is 232145747. The next prime is 232145779. The reversal of 232145761 is 167541232.

232145761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 210801361 + 21344400 = 14519^2 + 4620^2 .

It is a cyclic number.

It is not a de Polignac number, because 232145761 - 2⁵ = 232145729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232145161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6827800 + ... + 6827833.

It is an arithmetic number, because the mean of its divisors is an integer number (61450353).

Almost surely, 2^232145761 is an apocalyptic number.

It is an amenable number.

232145761 is a deficient number, since it is larger than the sum of its proper divisors (13655651).

232145761 is a wasteful number, since it uses less digits than its factorization.

232145761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13655650.

The product of its digits is 10080, while the sum is 31.

The square root of 232145761 is about 15236.3302996489. The cubic root of 232145761 is about 614.5920232461.

Adding to 232145761 its reverse (167541232), we get a palindrome (399686993).

The spelling of 232145761 in words is "two hundred thirty-two million, one hundred forty-five thousand, seven hundred sixty-one".