233456145 has 16 divisors (see below), whose sum is σ = 402263232. Its totient is φ = 114932160.

The previous prime is 233456143. The next prime is 233456161. The reversal of 233456145 is 541654332.

It is not a de Polignac number, because 233456145 - 2¹ = 233456143 is a prime.

It is a super-2 number, since 2×233456145² = 109003543276522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (233456143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598411 + ... + 598800.

It is an arithmetic number, because the mean of its divisors is an integer number (25141452).

Almost surely, 2^233456145 is an apocalyptic number.

It is an amenable number.

233456145 is a deficient number, since it is larger than the sum of its proper divisors (168807087).

233456145 is a wasteful number, since it uses less digits than its factorization.

233456145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197232.

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

The square root of 233456145 is about 15279.2717431166. The cubic root of 233456145 is about 615.7462420042.

The spelling of 233456145 in words is "two hundred thirty-three million, four hundred fifty-six thousand, one hundred forty-five".