231067645 has 24 divisors (see below), whose sum is σ = 301713120. Its totient is φ = 169408800.

The previous prime is 231067643. The next prime is 231067649. The reversal of 231067645 is 546760132.

It is a happy number.

It is not a de Polignac number, because 231067645 - 2¹ = 231067643 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 231067645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231067643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90030 + ... + 92560.

It is an arithmetic number, because the mean of its divisors is an integer number (12571380).

Almost surely, 2^231067645 is an apocalyptic number.

It is an amenable number.

231067645 is a deficient number, since it is larger than the sum of its proper divisors (70645475).

231067645 is a wasteful number, since it uses less digits than its factorization.

231067645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 231067645 is about 15200.9093477989. The cubic root of 231067645 is about 613.6391307154.

The spelling of 231067645 in words is "two hundred thirty-one million, sixty-seven thousand, six hundred forty-five".