1144734470161 has 2 divisors, whose sum is σ = 1144734470162. Its totient is φ = 1144734470160.

The previous prime is 1144734470123. The next prime is 1144734470207. The reversal of 1144734470161 is 1610744374411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1143477342225 + 1257127936 = 1069335^2 + 35456^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144734470161 - 2³⁵ = 1110374731793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144734470861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572367235080 + 572367235081.

It is an arithmetic number, because the mean of its divisors is an integer number (572367235081).

Almost surely, 2^{1144734470161} is an apocalyptic number.

It is an amenable number.

1144734470161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144734470161 is an equidigital number, since it uses as much as digits as its factorization.

1144734470161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 1144734470161 in words is "one trillion, one hundred forty-four billion, seven hundred thirty-four million, four hundred seventy thousand, one hundred sixty-one".