147018438013457 has 6 divisors (see below), whose sum is σ = 151099300428678. Its totient is φ = 143044966714464.

The previous prime is 147018438013441. The next prime is 147018438013481. The reversal of 147018438013457 is 754310834810741.

It is a happy number.

It is a Cunningham number, because it is equal to 12125116²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 91667680056976 + 55350757956481 = 9574324^2 + 7439809^2 .

It is not a de Polignac number, because 147018438013457 - 2⁴ = 147018438013441 is a prime.

It is a super-2 number, since 2×147018438013457² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147018438013487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53695556708 + ... + 53695559445.

It is an arithmetic number, because the mean of its divisors is an integer number (25183216738113).

Almost surely, 2^{147018438013457} is an apocalyptic number.

It is an amenable number.

147018438013457 is a deficient number, since it is larger than the sum of its proper divisors (4080862415221).

147018438013457 is an equidigital number, since it uses as much as digits as its factorization.

147018438013457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107391116227 (or 107391116190 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 147018438013457 in words is "one hundred forty-seven trillion, eighteen billion, four hundred thirty-eight million, thirteen thousand, four hundred fifty-seven".