145288053161 has 2 divisors, whose sum is σ = 145288053162. Its totient is φ = 145288053160.

The previous prime is 145288053151. The next prime is 145288053167. The reversal of 145288053161 is 161350882541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137395507561 + 7892545600 = 370669^2 + 88840^2 .

It is a cyclic number.

It is not a de Polignac number, because 145288053161 - 2²² = 145283858857 is a prime.

It is a super-2 number, since 2×145288053161² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145288053167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72644026580 + 72644026581.

It is an arithmetic number, because the mean of its divisors is an integer number (72644026581).

Almost surely, 2^145288053161 is an apocalyptic number.

It is an amenable number.

145288053161 is a deficient number, since it is larger than the sum of its proper divisors (1).

145288053161 is an equidigital number, since it uses as much as digits as its factorization.

145288053161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 145288053161 in words is "one hundred forty-five billion, two hundred eighty-eight million, fifty-three thousand, one hundred sixty-one".