141866642 has 8 divisors (see below), whose sum is σ = 217990332. Its totient is φ = 69203200.

The previous prime is 141866573. The next prime is 141866653. The reversal of 141866642 is 246668141.

141866642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 110271001 + 31595641 = 10501^2 + 5621^2 .

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

It is a super-2 number, since 2×141866642² = 40252288224712328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 141866596 and 141866605.

It is an unprimeable number.

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, 864959 + ... + 865122.

Almost surely, 2^141866642 is an apocalyptic number.

141866642 is a deficient number, since it is larger than the sum of its proper divisors (76123690).

141866642 is a wasteful number, since it uses less digits than its factorization.

141866642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730124.

The product of its digits is 55296, while the sum is 38.

The square root of 141866642 is about 11910.7783960579. The cubic root of 141866642 is about 521.5469736428.

The spelling of 141866642 in words is "one hundred forty-one million, eight hundred sixty-six thousand, six hundred forty-two".