141145409 has 2 divisors, whose sum is σ = 141145410. Its totient is φ = 141145408.

The previous prime is 141145391. The next prime is 141145439. The reversal of 141145409 is 904541141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140659600 + 485809 = 11860^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 141145409 - 2¹² = 141141313 is a prime.

It is not a weakly prime, because it can be changed into another prime (141145439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70572704 + 70572705.

It is an arithmetic number, because the mean of its divisors is an integer number (70572705).

Almost surely, 2^141145409 is an apocalyptic number.

It is an amenable number.

141145409 is a deficient number, since it is larger than the sum of its proper divisors (1).

141145409 is an equidigital number, since it uses as much as digits as its factorization.

141145409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 141145409 is about 11880.4633327156. The cubic root of 141145409 is about 520.6616442115.

The spelling of 141145409 in words is "one hundred forty-one million, one hundred forty-five thousand, four hundred nine".