141985831 has 16 divisors (see below), whose sum is σ = 161602560. Its totient is φ = 123757920.

The previous prime is 141985817. The next prime is 141985847. The reversal of 141985831 is 138589141.

It is a happy number.

It is not a de Polignac number, because 141985831 - 2¹⁷ = 141854759 is a prime.

It is a super-2 number, since 2×141985831² = 40319952409521122, which 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 (141985861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20616 + ... + 26626.

It is an arithmetic number, because the mean of its divisors is an integer number (10100160).

Almost surely, 2^141985831 is an apocalyptic number.

141985831 is a deficient number, since it is larger than the sum of its proper divisors (19616729).

141985831 is a wasteful number, since it uses less digits than its factorization.

141985831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126.

The product of its digits is 34560, while the sum is 40.

The square root of 141985831 is about 11915.7807549485. The cubic root of 141985831 is about 521.6929916705.

The spelling of 141985831 in words is "one hundred forty-one million, nine hundred eighty-five thousand, eight hundred thirty-one".