154563361 has 2 divisors, whose sum is σ = 154563362. Its totient is φ = 154563360.

The previous prime is 154563323. The next prime is 154563391. The reversal of 154563361 is 163365451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133541136 + 21022225 = 11556^2 + 4585^2 .

It is a cyclic number.

It is not a de Polignac number, because 154563361 - 2¹¹ = 154561313 is a prime.

It is not a weakly prime, because it can be changed into another prime (154563391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77281680 + 77281681.

It is an arithmetic number, because the mean of its divisors is an integer number (77281681).

Almost surely, 2^154563361 is an apocalyptic number.

It is an amenable number.

154563361 is a deficient number, since it is larger than the sum of its proper divisors (1).

154563361 is an equidigital number, since it uses as much as digits as its factorization.

154563361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 34.

The square root of 154563361 is about 12432.3513866042. The cubic root of 154563361 is about 536.6636552347.

The spelling of 154563361 in words is "one hundred fifty-four million, five hundred sixty-three thousand, three hundred sixty-one".