154160227660729 has 2 divisors, whose sum is σ = 154160227660730. Its totient is φ = 154160227660728.

The previous prime is 154160227660567. The next prime is 154160227660771. The reversal of 154160227660729 is 927066722061451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136246789350400 + 17913438310329 = 11672480^2 + 4232427^2 .

It is a cyclic number.

It is not a de Polignac number, because 154160227660729 - 2¹⁷ = 154160227529657 is a prime.

It is a super-2 number, since 2×154160227660729² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (154160227660129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77080113830364 + 77080113830365.

It is an arithmetic number, because the mean of its divisors is an integer number (77080113830365).

Almost surely, 2^{154160227660729} is an apocalyptic number.

It is an amenable number.

154160227660729 is a deficient number, since it is larger than the sum of its proper divisors (1).

154160227660729 is an equidigital number, since it uses as much as digits as its factorization.

154160227660729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 154160227660729 in words is "one hundred fifty-four trillion, one hundred sixty billion, two hundred twenty-seven million, six hundred sixty thousand, seven hundred twenty-nine".