814438153 has 2 divisors, whose sum is σ = 814438154. Its totient is φ = 814438152.

The previous prime is 814438133. The next prime is 814438187. The reversal of 814438153 is 351834418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 807298569 + 7139584 = 28413^2 + 2672^2 .

It is a cyclic number.

It is not a de Polignac number, because 814438153 - 2²⁵ = 780883721 is a prime.

It is not a weakly prime, because it can be changed into another prime (814438123) 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, 407219076 + 407219077.

It is an arithmetic number, because the mean of its divisors is an integer number (407219077).

Almost surely, 2^814438153 is an apocalyptic number.

It is an amenable number.

814438153 is a deficient number, since it is larger than the sum of its proper divisors (1).

814438153 is an equidigital number, since it uses as much as digits as its factorization.

814438153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 37.

The square root of 814438153 is about 28538.3628297070. The cubic root of 814438153 is about 933.8691669607.

The spelling of 814438153 in words is "eight hundred fourteen million, four hundred thirty-eight thousand, one hundred fifty-three".