141955819 has 2 divisors, whose sum is σ = 141955820. Its totient is φ = 141955818.

The previous prime is 141955787. The next prime is 141955883. The reversal of 141955819 is 918559141.

141955819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141955819 - 2⁵ = 141955787 is a prime.

It is a super-2 number, since 2×141955819² = 40302909095921522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (141956819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70977909 + 70977910.

It is an arithmetic number, because the mean of its divisors is an integer number (70977910).

Almost surely, 2^141955819 is an apocalyptic number.

141955819 is a deficient number, since it is larger than the sum of its proper divisors (1).

141955819 is an equidigital number, since it uses as much as digits as its factorization.

141955819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 43.

The square root of 141955819 is about 11914.5213500165. The cubic root of 141955819 is about 521.6562317740.

The spelling of 141955819 in words is "one hundred forty-one million, nine hundred fifty-five thousand, eight hundred nineteen".