154221363053 has 2 divisors, whose sum is σ = 154221363054. Its totient is φ = 154221363052.

The previous prime is 154221363047. The next prime is 154221363091. The reversal of 154221363053 is 350363122451.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113702491204 + 40518871849 = 337198^2 + 201293^2 .

It is a cyclic number.

It is not a de Polignac number, because 154221363053 - 2²⁰ = 154220314477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154221363953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77110681526 + 77110681527.

It is an arithmetic number, because the mean of its divisors is an integer number (77110681527).

Almost surely, 2^154221363053 is an apocalyptic number.

It is an amenable number.

154221363053 is a deficient number, since it is larger than the sum of its proper divisors (1).

154221363053 is an equidigital number, since it uses as much as digits as its factorization.

154221363053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 154221363053 in words is "one hundred fifty-four billion, two hundred twenty-one million, three hundred sixty-three thousand, fifty-three".