812144153 has 2 divisors, whose sum is σ = 812144154. Its totient is φ = 812144152.

The previous prime is 812144147. The next prime is 812144219. The reversal of 812144153 is 351441218.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 762201664 + 49942489 = 27608^2 + 7067^2 .

It is a cyclic number.

It is not a de Polignac number, because 812144153 - 2⁸ = 812143897 is a prime.

It is not a weakly prime, because it can be changed into another prime (812144353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406072076 + 406072077.

It is an arithmetic number, because the mean of its divisors is an integer number (406072077).

Almost surely, 2^812144153 is an apocalyptic number.

It is an amenable number.

812144153 is a deficient number, since it is larger than the sum of its proper divisors (1).

812144153 is an equidigital number, since it uses as much as digits as its factorization.

812144153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 812144153 is about 28498.1429745870. The cubic root of 812144153 is about 932.9915433738.

The spelling of 812144153 in words is "eight hundred twelve million, one hundred forty-four thousand, one hundred fifty-three".