141204145 has 4 divisors (see below), whose sum is σ = 169444980. Its totient is φ = 112963312.

The previous prime is 141204139. The next prime is 141204209. The reversal of 141204145 is 541402141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541402141 = 7 ⋅77343163.

It can be written as a sum of positive squares in 2 ways, for example, as 73685056 + 67519089 = 8584^2 + 8217^2 .

It is a cyclic number.

It is not a de Polignac number, because 141204145 - 2¹³ = 141195953 is a prime.

It is a super-2 number, since 2×141204145² = 39877221130362050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14120410 + ... + 14120419.

It is an arithmetic number, because the mean of its divisors is an integer number (42361245).

Almost surely, 2^141204145 is an apocalyptic number.

It is an amenable number.

141204145 is a deficient number, since it is larger than the sum of its proper divisors (28240835).

141204145 is an equidigital number, since it uses as much as digits as its factorization.

141204145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28240834.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 141204145 is about 11882.9350330632. The cubic root of 141204145 is about 520.7338565998.

Adding to 141204145 its reverse (541402141), we get a palindrome (682606286).

The spelling of 141204145 in words is "one hundred forty-one million, two hundred four thousand, one hundred forty-five".