233045145 has 12 divisors (see below), whose sum is σ = 403944996. Its totient is φ = 124290720.

The previous prime is 233045117. The next prime is 233045167. The reversal of 233045145 is 541540332.

It can be written as a sum of positive squares in 2 ways, for example, as 155675529 + 77369616 = 12477^2 + 8796^2 .

It is not a de Polignac number, because 233045145 - 2¹⁶ = 232979609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2589346 + ... + 2589435.

It is an arithmetic number, because the mean of its divisors is an integer number (33662083).

Almost surely, 2^233045145 is an apocalyptic number.

It is an amenable number.

233045145 is a deficient number, since it is larger than the sum of its proper divisors (170899851).

233045145 is a wasteful number, since it uses less digits than its factorization.

233045145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5178792 (or 5178789 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 233045145 is about 15265.8162244932. The cubic root of 233045145 is about 615.3846889283.

Adding to 233045145 its reverse (541540332), we get a palindrome (774585477).

The spelling of 233045145 in words is "two hundred thirty-three million, forty-five thousand, one hundred forty-five".