141858381 has 12 divisors (see below), whose sum is σ = 220025472. Its totient is φ = 81061848.

The previous prime is 141858359. The next prime is 141858397. The reversal of 141858381 is 183858141.

It is not a de Polignac number, because 141858381 - 2⁵ = 141858349 is a prime.

It is a super-2 number, since 2×141858381² = 40247600519882322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141858331) 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 11 ways as a sum of consecutive naturals, for example, 482365 + ... + 482658.

It is an arithmetic number, because the mean of its divisors is an integer number (18335456).

Almost surely, 2^141858381 is an apocalyptic number.

It is an amenable number.

141858381 is a deficient number, since it is larger than the sum of its proper divisors (78167091).

141858381 is an equidigital number, since it uses as much as digits as its factorization.

141858381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965040 (or 965033 counting only the distinct ones).

The product of its digits is 30720, while the sum is 39.

The square root of 141858381 is about 11910.4316042703. The cubic root of 141858381 is about 521.5368500904.

The spelling of 141858381 in words is "one hundred forty-one million, eight hundred fifty-eight thousand, three hundred eighty-one".