141481148450021 has 8 divisors (see below), whose sum is σ = 142192875394584. Its totient is φ = 140770671247360.

The previous prime is 141481148450017. The next prime is 141481148450039. The reversal of 141481148450021 is 120054841184141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36182991952900 + 105298156497121 = 6015230^2 + 10261489^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 141481148450021 - 2² = 141481148450017 is a prime.

It is a super-2 number, since 2×141481148450021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141481148455021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312208490 + ... + 312661323.

It is an arithmetic number, because the mean of its divisors is an integer number (17774109424323).

Almost surely, 2^{141481148450021} is an apocalyptic number.

It is an amenable number.

141481148450021 is a deficient number, since it is larger than the sum of its proper divisors (711726944563).

141481148450021 is an equidigital number, since it uses as much as digits as its factorization.

141481148450021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624870951.

The product of its (nonzero) digits is 163840, while the sum is 44.

The spelling of 141481148450021 in words is "one hundred forty-one trillion, four hundred eighty-one billion, one hundred forty-eight million, four hundred fifty thousand, twenty-one".