234545449 has 2 divisors, whose sum is σ = 234545450. Its totient is φ = 234545448.

The previous prime is 234545429. The next prime is 234545483. The reversal of 234545449 is 944545432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152769600 + 81775849 = 12360^2 + 9043^2 .

It is a cyclic number.

It is not a de Polignac number, because 234545449 - 2¹³ = 234537257 is a prime.

It is a super-2 number, since 2×234545449² = 110023135293223202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (234545429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117272724 + 117272725.

It is an arithmetic number, because the mean of its divisors is an integer number (117272725).

Almost surely, 2^234545449 is an apocalyptic number.

It is an amenable number.

234545449 is a deficient number, since it is larger than the sum of its proper divisors (1).

234545449 is an equidigital number, since it uses as much as digits as its factorization.

234545449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 40.

The square root of 234545449 is about 15314.8767216716. The cubic root of 234545449 is about 616.7024449009.

The spelling of 234545449 in words is "two hundred thirty-four million, five hundred forty-five thousand, four hundred forty-nine".