234406445 has 24 divisors (see below), whose sum is σ = 352387224. Its totient is φ = 148369536.

The previous prime is 234406427. The next prime is 234406463. The reversal of 234406445 is 544604432.

It is an interprime number because it is at equal distance from previous prime (234406427) and next prime (234406463).

It can be written as a sum of positive squares in 4 ways, for example, as 13557124 + 220849321 = 3682^2 + 14861^2 .

It is not a de Polignac number, because 234406445 - 2⁸ = 234406189 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33614 + ... + 39983.

It is an arithmetic number, because the mean of its divisors is an integer number (14682801).

Almost surely, 2^234406445 is an apocalyptic number.

It is an amenable number.

234406445 is a deficient number, since it is larger than the sum of its proper divisors (117980779).

234406445 is a wasteful number, since it uses less digits than its factorization.

234406445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73629 (or 73622 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 234406445 is about 15310.3378473501. The cubic root of 234406445 is about 616.5805906967.

The spelling of 234406445 in words is "two hundred thirty-four million, four hundred six thousand, four hundred forty-five".