233145465 has 32 divisors (see below), whose sum is σ = 427078656. Its totient is φ = 106392000.

The previous prime is 233145449. The next prime is 233145467. The reversal of 233145465 is 564541332.

It is not a de Polignac number, because 233145465 - 2⁴ = 233145449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (233145467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70090 + ... + 73340.

It is an arithmetic number, because the mean of its divisors is an integer number (13346208).

Almost surely, 2^233145465 is an apocalyptic number.

It is an amenable number.

233145465 is a deficient number, since it is larger than the sum of its proper divisors (193933191).

233145465 is a wasteful number, since it uses less digits than its factorization.

233145465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949.

The product of its digits is 43200, while the sum is 33.

The square root of 233145465 is about 15269.1016435152. The cubic root of 233145465 is about 615.4729787395.

Adding to 233145465 its reverse (564541332), we get a palindrome (797686797).

The spelling of 233145465 in words is "two hundred thirty-three million, one hundred forty-five thousand, four hundred sixty-five".