141504161 has 4 divisors (see below), whose sum is σ = 144955524. Its totient is φ = 138052800.

The previous prime is 141504133. The next prime is 141504163. The reversal of 141504161 is 161405141.

It is a happy number.

141504161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161405141 = 571 ⋅282671.

It can be written as a sum of positive squares in 2 ways, for example, as 12250000 + 129254161 = 3500^2 + 11369^2 .

It is a cyclic number.

It is not a de Polignac number, because 141504161 - 2¹⁰ = 141503137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141504163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725620 + ... + 1725701.

It is an arithmetic number, because the mean of its divisors is an integer number (36238881).

Almost surely, 2^141504161 is an apocalyptic number.

It is an amenable number.

141504161 is a deficient number, since it is larger than the sum of its proper divisors (3451363).

141504161 is an equidigital number, since it uses as much as digits as its factorization.

141504161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451362.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 141504161 is about 11895.5521519600. The cubic root of 141504161 is about 521.1023962370.

The spelling of 141504161 in words is "one hundred forty-one million, five hundred four thousand, one hundred sixty-one".