233145434225 has 12 divisors (see below), whose sum is σ = 315382187760. Its totient is φ = 169560315600.

The previous prime is 233145434189. The next prime is 233145434227. The reversal of 233145434225 is 522434541332.

It is not a de Polignac number, because 233145434225 - 2¹² = 233145430129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (233145434227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423900515 + ... + 423901064.

It is an arithmetic number, because the mean of its divisors is an integer number (26281848980).

Almost surely, 2^233145434225 is an apocalyptic number.

233145434225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233145434225 is a deficient number, since it is larger than the sum of its proper divisors (82236753535).

233145434225 is a wasteful number, since it uses less digits than its factorization.

233145434225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847801600 (or 847801595 counting only the distinct ones).

The product of its digits is 345600, while the sum is 38.

Adding to 233145434225 its reverse (522434541332), we get a palindrome (755579975557).

The spelling of 233145434225 in words is "two hundred thirty-three billion, one hundred forty-five million, four hundred thirty-four thousand, two hundred twenty-five".