153495449 has 2 divisors, whose sum is σ = 153495450. Its totient is φ = 153495448.

The previous prime is 153495443. The next prime is 153495497. The reversal of 153495449 is 944594351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140304025 + 13191424 = 11845^2 + 3632^2 .

It is a cyclic number.

It is not a de Polignac number, because 153495449 - 2¹² = 153491353 is a prime.

It is a Chen prime.

It is equal to p_8629748 and since 153495449 and 8629748 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (153495443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76747724 + 76747725.

It is an arithmetic number, because the mean of its divisors is an integer number (76747725).

Almost surely, 2^153495449 is an apocalyptic number.

It is an amenable number.

153495449 is a deficient number, since it is larger than the sum of its proper divisors (1).

153495449 is an equidigital number, since it uses as much as digits as its factorization.

153495449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 44.

The square root of 153495449 is about 12389.3280285898. The cubic root of 153495449 is about 535.4248222699.

The spelling of 153495449 in words is "one hundred fifty-three million, four hundred ninety-five thousand, four hundred forty-nine".