154200224505553 has 2 divisors, whose sum is σ = 154200224505554. Its totient is φ = 154200224505552.

The previous prime is 154200224505461. The next prime is 154200224505557. The reversal of 154200224505553 is 355505422002451.

154200224505553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90470211165889 + 63730013339664 = 9511583^2 + 7983108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154200224505553 is a prime.

It is not a weakly prime, because it can be changed into another prime (154200224505557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77100112252776 + 77100112252777.

It is an arithmetic number, because the mean of its divisors is an integer number (77100112252777).

Almost surely, 2^{154200224505553} is an apocalyptic number.

It is an amenable number.

154200224505553 is a deficient number, since it is larger than the sum of its proper divisors (1).

154200224505553 is an equidigital number, since it uses as much as digits as its factorization.

154200224505553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200000, while the sum is 43.

The spelling of 154200224505553 in words is "one hundred fifty-four trillion, two hundred billion, two hundred twenty-four million, five hundred five thousand, five hundred fifty-three".