145110972173 has 2 divisors, whose sum is σ = 145110972174. Its totient is φ = 145110972172.

The previous prime is 145110972151. The next prime is 145110972233. The reversal of 145110972173 is 371279011541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88924432804 + 56186539369 = 298202^2 + 237037^2 .

It is a cyclic number.

It is not a de Polignac number, because 145110972173 - 2¹² = 145110968077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145110972173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145110972103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72555486086 + 72555486087.

It is an arithmetic number, because the mean of its divisors is an integer number (72555486087).

Almost surely, 2^145110972173 is an apocalyptic number.

It is an amenable number.

145110972173 is a deficient number, since it is larger than the sum of its proper divisors (1).

145110972173 is an equidigital number, since it uses as much as digits as its factorization.

145110972173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 41.

The spelling of 145110972173 in words is "one hundred forty-five billion, one hundred ten million, nine hundred seventy-two thousand, one hundred seventy-three".