105045449 has 2 divisors, whose sum is σ = 105045450. Its totient is φ = 105045448.

The previous prime is 105045443. The next prime is 105045491. The reversal of 105045449 is 944540501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63313849 + 41731600 = 7957^2 + 6460^2 .

It is a cyclic number.

It is not a de Polignac number, because 105045449 - 2¹² = 105041353 is a prime.

It is a super-2 number, since 2×105045449² = 22069092711223202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (105045443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52522724 + 52522725.

It is an arithmetic number, because the mean of its divisors is an integer number (52522725).

Almost surely, 2^105045449 is an apocalyptic number.

It is an amenable number.

105045449 is a deficient number, since it is larger than the sum of its proper divisors (1).

105045449 is an equidigital number, since it uses as much as digits as its factorization.

105045449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 105045449 is about 10249.1682101525. The cubic root of 105045449 is about 471.8374562999.

The spelling of 105045449 in words is "one hundred five million, forty-five thousand, four hundred forty-nine".