234534145 has 16 divisors (see below), whose sum is σ = 293207040. Its totient is φ = 179939200.

The previous prime is 234534143. The next prime is 234534161. The reversal of 234534145 is 541435432.

It is not a de Polignac number, because 234534145 - 2¹ = 234534143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234534143) 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, 2400 + ... + 21790.

It is an arithmetic number, because the mean of its divisors is an integer number (18325440).

Almost surely, 2^234534145 is an apocalyptic number.

It is an amenable number.

234534145 is a deficient number, since it is larger than the sum of its proper divisors (58672895).

234534145 is a wasteful number, since it uses less digits than its factorization.

234534145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19496.

The product of its digits is 28800, while the sum is 31.

The square root of 234534145 is about 15314.5076643032. The cubic root of 234534145 is about 616.6925373450.

Adding to 234534145 its reverse (541435432), we get a palindrome (775969577).

The spelling of 234534145 in words is "two hundred thirty-four million, five hundred thirty-four thousand, one hundred forty-five".