449240153 has 2 divisors, whose sum is σ = 449240154. Its totient is φ = 449240152.

The previous prime is 449240119. The next prime is 449240171. The reversal of 449240153 is 351042944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325874704 + 123365449 = 18052^2 + 11107^2 .

It is a cyclic number.

It is not a de Polignac number, because 449240153 - 2⁶ = 449240089 is a prime.

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 (449200153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224620076 + 224620077.

It is an arithmetic number, because the mean of its divisors is an integer number (224620077).

Almost surely, 2^449240153 is an apocalyptic number.

It is an amenable number.

449240153 is a deficient number, since it is larger than the sum of its proper divisors (1).

449240153 is an equidigital number, since it uses as much as digits as its factorization.

449240153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 449240153 is about 21195.2861032825. The cubic root of 449240153 is about 765.8778724188.

The spelling of 449240153 in words is "four hundred forty-nine million, two hundred forty thousand, one hundred fifty-three".