234421145 has 24 divisors (see below), whose sum is σ = 344462400. Its totient is φ = 152282592.

The previous prime is 234421139. The next prime is 234421157. The reversal of 234421145 is 541124432.

It is not a de Polignac number, because 234421145 - 2⁸ = 234420889 is a prime.

It is a super-2 number, since 2×234421145² = 109906546446222050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20525 + ... + 29834.

It is an arithmetic number, because the mean of its divisors is an integer number (14352600).

Almost surely, 2^234421145 is an apocalyptic number.

It is an amenable number.

234421145 is a deficient number, since it is larger than the sum of its proper divisors (110041255).

234421145 is a wasteful number, since it uses less digits than its factorization.

234421145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50397 (or 50390 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 234421145 is about 15310.8179076103. The cubic root of 234421145 is about 616.5934793429.

Adding to 234421145 its reverse (541124432), we get a palindrome (775545577).

The spelling of 234421145 in words is "two hundred thirty-four million, four hundred twenty-one thousand, one hundred forty-five".