145430141244145 has 4 divisors (see below), whose sum is σ = 174516169492980. Its totient is φ = 116344112995312.

The previous prime is 145430141244119. The next prime is 145430141244169. The reversal of 145430141244145 is 541442141034541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24375223014129 + 121054918230016 = 4937127^2 + 11002496^2 .

It is a cyclic number.

It is not a de Polignac number, because 145430141244145 - 2¹¹ = 145430141242097 is a prime.

It is a super-2 number, since 2×145430141244145² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14543014124410 + ... + 14543014124419.

It is an arithmetic number, because the mean of its divisors is an integer number (43629042373245).

Almost surely, 2^{145430141244145} is an apocalyptic number.

It is an amenable number.

145430141244145 is a deficient number, since it is larger than the sum of its proper divisors (29086028248835).

145430141244145 is an equidigital number, since it uses as much as digits as its factorization.

145430141244145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29086028248834.

The product of its (nonzero) digits is 614400, while the sum is 43.

Adding to 145430141244145 its reverse (541442141034541), we get a palindrome (686872282278686).

The spelling of 145430141244145 in words is "one hundred forty-five trillion, four hundred thirty billion, one hundred forty-one million, two hundred forty-four thousand, one hundred forty-five".