145568833 has 4 divisors (see below), whose sum is σ = 145593520. Its totient is φ = 145544148.

The previous prime is 145568831. The next prime is 145568849. The reversal of 145568833 is 338865541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145568833 - 2¹ = 145568831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145568833.

It is not an unprimeable number, because it can be changed into a prime (145568831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2266 + ... + 17212.

It is an arithmetic number, because the mean of its divisors is an integer number (36398380).

Almost surely, 2^145568833 is an apocalyptic number.

It is an amenable number.

145568833 is a deficient number, since it is larger than the sum of its proper divisors (24687).

145568833 is an equidigital number, since it uses as much as digits as its factorization.

145568833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24686.

The product of its digits is 345600, while the sum is 43.

The square root of 145568833 is about 12065.1909640917. The cubic root of 145568833 is about 526.0448826077.

The spelling of 145568833 in words is "one hundred forty-five million, five hundred sixty-eight thousand, eight hundred thirty-three".