231296045 has 8 divisors (see below), whose sum is σ = 278443896. Its totient is φ = 184444416.

The previous prime is 231296041. The next prime is 231296069. The reversal of 231296045 is 540692132.

It is a happy number.

231296045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2621161 + 228674884 = 1619^2 + 15122^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231296045 - 2² = 231296041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231296041) 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, 72332 + ... + 75461.

It is an arithmetic number, because the mean of its divisors is an integer number (34805487).

Almost surely, 2^231296045 is an apocalyptic number.

It is an amenable number.

231296045 is a deficient number, since it is larger than the sum of its proper divisors (47147851).

231296045 is a wasteful number, since it uses less digits than its factorization.

231296045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148111.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 231296045 is about 15208.4202006652. The cubic root of 231296045 is about 613.8412490514.

The spelling of 231296045 in words is "two hundred thirty-one million, two hundred ninety-six thousand, forty-five".