141961243 has 2 divisors, whose sum is σ = 141961244. Its totient is φ = 141961242.

The previous prime is 141961231. The next prime is 141961249. The reversal of 141961243 is 342169141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 141961243 - 2²¹ = 139864091 is a prime.

It is not a weakly prime, because it can be changed into another prime (141961249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70980621 + 70980622.

It is an arithmetic number, because the mean of its divisors is an integer number (70980622).

Almost surely, 2^141961243 is an apocalyptic number.

141961243 is a deficient number, since it is larger than the sum of its proper divisors (1).

141961243 is an equidigital number, since it uses as much as digits as its factorization.

141961243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 141961243 is about 11914.7489692398. The cubic root of 141961243 is about 521.6628756894.

The spelling of 141961243 in words is "one hundred forty-one million, nine hundred sixty-one thousand, two hundred forty-three".