141813641642 has 8 divisors (see below), whose sum is σ = 212724276996. Its totient is φ = 70905549312.

The previous prime is 141813641633. The next prime is 141813641647. The reversal of 141813641642 is 246146318141.

It can be written as a sum of positive squares in 2 ways, for example, as 108346963921 + 33466677721 = 329161^2 + 182939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×141813641642² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 141813641642.

It is not an unprimeable number, because it can be changed into a prime (141813641647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489623 + ... + 723434.

Almost surely, 2^141813641642 is an apocalyptic number.

141813641642 is a deficient number, since it is larger than the sum of its proper divisors (70910635354).

141813641642 is a wasteful number, since it uses less digits than its factorization.

141813641642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271512.

The product of its digits is 110592, while the sum is 41.

Adding to 141813641642 its reverse (246146318141), we get a palindrome (387959959783).

The spelling of 141813641642 in words is "one hundred forty-one billion, eight hundred thirteen million, six hundred forty-one thousand, six hundred forty-two".