141945837049 has 3 divisors (see below), whose sum is σ = 141946213807. Its totient is φ = 141945460292.

The previous prime is 141945837029. The next prime is 141945837053. The reversal of 141945837049 is 940738549141.

The square root of 141945837049 is 376757.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 116175314025 + 25770523024 = 340845^2 + 160532^2 .

It is not a de Polignac number, because 141945837049 - 2⁹ = 141945836537 is a prime.

It is a super-2 number, since 2×141945837049² (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 (141945837029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 188379 + ... + 565135.

Almost surely, 2^141945837049 is an apocalyptic number.

141945837049 is the 376757-th square number.

141945837049 is the 188379-th centered octagonal number.

It is an amenable number.

141945837049 is a deficient number, since it is larger than the sum of its proper divisors (376758).

141945837049 is an frugal number, since it uses more digits than its factorization.

141945837049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753514 (or 376757 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 141945837049 in words is "one hundred forty-one billion, nine hundred forty-five million, eight hundred thirty-seven thousand, forty-nine".