141948869 has 2 divisors, whose sum is σ = 141948870. Its totient is φ = 141948868.

The previous prime is 141948857. The next prime is 141948901. The reversal of 141948869 is 968849141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123988225 + 17960644 = 11135^2 + 4238^2 .

It is a cyclic number.

It is not a de Polignac number, because 141948869 - 2²⁴ = 125171653 is a prime.

It is a super-2 number, since 2×141948869² = 40298962820758322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141948269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70974434 + 70974435.

It is an arithmetic number, because the mean of its divisors is an integer number (70974435).

Almost surely, 2^141948869 is an apocalyptic number.

It is an amenable number.

141948869 is a deficient number, since it is larger than the sum of its proper divisors (1).

141948869 is an equidigital number, since it uses as much as digits as its factorization.

141948869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 50.

The square root of 141948869 is about 11914.2296855483. The cubic root of 141948869 is about 521.6477183975.

The spelling of 141948869 in words is "one hundred forty-one million, nine hundred forty-eight thousand, eight hundred sixty-nine".