234445457 has 2 divisors, whose sum is σ = 234445458. Its totient is φ = 234445456.

The previous prime is 234445441. The next prime is 234445459. The reversal of 234445457 is 754544432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160554241 + 73891216 = 12671^2 + 8596^2 .

It is a cyclic number.

It is not a de Polignac number, because 234445457 - 2⁴ = 234445441 is a prime.

Together with 234445459, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 234445457.

It is not a weakly prime, because it can be changed into another prime (234445459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117222728 + 117222729.

It is an arithmetic number, because the mean of its divisors is an integer number (117222729).

Almost surely, 2^234445457 is an apocalyptic number.

It is an amenable number.

234445457 is a deficient number, since it is larger than the sum of its proper divisors (1).

234445457 is an equidigital number, since it uses as much as digits as its factorization.

234445457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 38.

The square root of 234445457 is about 15311.6118354666. The cubic root of 234445457 is about 616.6147944031.

Adding to 234445457 its reverse (754544432), we get a palindrome (988989889).

The spelling of 234445457 in words is "two hundred thirty-four million, four hundred forty-five thousand, four hundred fifty-seven".