145615155163601 has 2 divisors, whose sum is σ = 145615155163602. Its totient is φ = 145615155163600.

The previous prime is 145615155163573. The next prime is 145615155163603. The reversal of 145615155163601 is 106361551516541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145372575273025 + 242579890576 = 12057055^2 + 492524^2 .

It is a cyclic number.

It is not a de Polignac number, because 145615155163601 - 2³⁴ = 145597975294417 is a prime.

Together with 145615155163603, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145615155163601.

It is not a weakly prime, because it can be changed into another prime (145615155163603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72807577581800 + 72807577581801.

It is an arithmetic number, because the mean of its divisors is an integer number (72807577581801).

Almost surely, 2^{145615155163601} is an apocalyptic number.

It is an amenable number.

145615155163601 is a deficient number, since it is larger than the sum of its proper divisors (1).

145615155163601 is an equidigital number, since it uses as much as digits as its factorization.

145615155163601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620000, while the sum is 50.

The spelling of 145615155163601 in words is "one hundred forty-five trillion, six hundred fifteen billion, one hundred fifty-five million, one hundred sixty-three thousand, six hundred one".