141861947 has 2 divisors, whose sum is σ = 141861948. Its totient is φ = 141861946.

The previous prime is 141861917. The next prime is 141862001. The reversal of 141861947 is 749168141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141861947 - 2⁶ = 141861883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141861917) 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 as a sum of consecutive naturals, namely, 70930973 + 70930974.

It is an arithmetic number, because the mean of its divisors is an integer number (70930974).

Almost surely, 2^141861947 is an apocalyptic number.

141861947 is a deficient number, since it is larger than the sum of its proper divisors (1).

141861947 is an equidigital number, since it uses as much as digits as its factorization.

141861947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 141861947 is about 11910.5813040338. The cubic root of 141861947 is about 521.5412201408.

The spelling of 141861947 in words is "one hundred forty-one million, eight hundred sixty-one thousand, nine hundred forty-seven".