141362561 has 4 divisors (see below), whose sum is σ = 141388500. Its totient is φ = 141336624.

The previous prime is 141362549. The next prime is 141362587. The reversal of 141362561 is 165263141.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61528336 + 79834225 = 7844^2 + 8935^2 .

It is a cyclic number.

It is not a de Polignac number, because 141362561 - 2¹⁰ = 141361537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (141362461) 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, 1286 + ... + 16863.

It is an arithmetic number, because the mean of its divisors is an integer number (35347125).

Almost surely, 2^141362561 is an apocalyptic number.

It is an amenable number.

141362561 is a deficient number, since it is larger than the sum of its proper divisors (25939).

141362561 is an equidigital number, since it uses as much as digits as its factorization.

141362561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25938.

The product of its digits is 4320, while the sum is 29.

The square root of 141362561 is about 11889.5988578253. The cubic root of 141362561 is about 520.9285197819.

The spelling of 141362561 in words is "one hundred forty-one million, three hundred sixty-two thousand, five hundred sixty-one".