153438853 has 2 divisors, whose sum is σ = 153438854. Its totient is φ = 153438852.

The previous prime is 153438833. The next prime is 153438877. The reversal of 153438853 is 358834351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140138244 + 13300609 = 11838^2 + 3647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153438853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153438833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76719426 + 76719427.

It is an arithmetic number, because the mean of its divisors is an integer number (76719427).

Almost surely, 2^153438853 is an apocalyptic number.

It is an amenable number.

153438853 is a deficient number, since it is larger than the sum of its proper divisors (1).

153438853 is an equidigital number, since it uses as much as digits as its factorization.

153438853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 40.

The square root of 153438853 is about 12387.0437554729. The cubic root of 153438853 is about 535.3590078792.

The spelling of 153438853 in words is "one hundred fifty-three million, four hundred thirty-eight thousand, eight hundred fifty-three".