154620536401 has 2 divisors, whose sum is σ = 154620536402. Its totient is φ = 154620536400.

The previous prime is 154620536359. The next prime is 154620536431. The reversal of 154620536401 is 104635026451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144950764176 + 9669772225 = 380724^2 + 98335^2 .

It is an emirp because it is prime and its reverse (104635026451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154620536401 - 2¹¹ = 154620534353 is a prime.

It is not a weakly prime, because it can be changed into another prime (154620536431) 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, 77310268200 + 77310268201.

It is an arithmetic number, because the mean of its divisors is an integer number (77310268201).

Almost surely, 2^154620536401 is an apocalyptic number.

It is an amenable number.

154620536401 is a deficient number, since it is larger than the sum of its proper divisors (1).

154620536401 is an equidigital number, since it uses as much as digits as its factorization.

154620536401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 154620536401 in words is "one hundred fifty-four billion, six hundred twenty million, five hundred thirty-six thousand, four hundred one".