141557748427 has 4 divisors (see below), whose sum is σ = 142083985680. Its totient is φ = 141031511176.

The previous prime is 141557748421. The next prime is 141557748457. The reversal of 141557748427 is 724847755141.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141557748427 is a prime.

It is a super-2 number, since 2×141557748427² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141557748421) 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 3 ways as a sum of consecutive naturals, for example, 263118223 + ... + 263118760.

It is an arithmetic number, because the mean of its divisors is an integer number (35520996420).

Almost surely, 2^141557748427 is an apocalyptic number.

141557748427 is a deficient number, since it is larger than the sum of its proper divisors (526237253).

141557748427 is an equidigital number, since it uses as much as digits as its factorization.

141557748427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526237252.

The product of its digits is 8780800, while the sum is 55.

The spelling of 141557748427 in words is "one hundred forty-one billion, five hundred fifty-seven million, seven hundred forty-eight thousand, four hundred twenty-seven".