144167772097 has 2 divisors, whose sum is σ = 144167772098. Its totient is φ = 144167772096.

The previous prime is 144167772061. The next prime is 144167772127. The reversal of 144167772097 is 790277761441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125345029681 + 18822742416 = 354041^2 + 137196^2 .

It is a cyclic number.

It is not a de Polignac number, because 144167772097 - 2¹⁵ = 144167739329 is a prime.

It is a super-2 number, since 2×144167772097² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144167712097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72083886048 + 72083886049.

It is an arithmetic number, because the mean of its divisors is an integer number (72083886049).

Almost surely, 2^144167772097 is an apocalyptic number.

It is an amenable number.

144167772097 is a deficient number, since it is larger than the sum of its proper divisors (1).

144167772097 is an equidigital number, since it uses as much as digits as its factorization.

144167772097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4148928, while the sum is 55.

The spelling of 144167772097 in words is "one hundred forty-four billion, one hundred sixty-seven million, seven hundred seventy-two thousand, ninety-seven".