154304245553 has 2 divisors, whose sum is σ = 154304245554. Its totient is φ = 154304245552.

The previous prime is 154304245531. The next prime is 154304245619. The reversal of 154304245553 is 355542403451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148049491984 + 6254753569 = 384772^2 + 79087^2 .

It is a cyclic number.

It is not a de Polignac number, because 154304245553 - 2¹² = 154304241457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154304245553.

It is not a weakly prime, because it can be changed into another prime (154304245853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77152122776 + 77152122777.

It is an arithmetic number, because the mean of its divisors is an integer number (77152122777).

Almost surely, 2^154304245553 is an apocalyptic number.

It is an amenable number.

154304245553 is a deficient number, since it is larger than the sum of its proper divisors (1).

154304245553 is an equidigital number, since it uses as much as digits as its factorization.

154304245553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 154304245553 in words is "one hundred fifty-four billion, three hundred four million, two hundred forty-five thousand, five hundred fifty-three".