449338157 has 2 divisors, whose sum is σ = 449338158. Its totient is φ = 449338156.

The previous prime is 449338121. The next prime is 449338171. The reversal of 449338157 is 751833944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388326436 + 61011721 = 19706^2 + 7811^2 .

It is a cyclic number.

It is not a de Polignac number, because 449338157 - 2²⁰ = 448289581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449338117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224669078 + 224669079.

It is an arithmetic number, because the mean of its divisors is an integer number (224669079).

Almost surely, 2^449338157 is an apocalyptic number.

It is an amenable number.

449338157 is a deficient number, since it is larger than the sum of its proper divisors (1).

449338157 is an equidigital number, since it uses as much as digits as its factorization.

449338157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 449338157 is about 21197.5979063667. The cubic root of 449338157 is about 765.9335617399.

The spelling of 449338157 in words is "four hundred forty-nine million, three hundred thirty-eight thousand, one hundred fifty-seven".