141506945 has 4 divisors (see below), whose sum is σ = 169808340. Its totient is φ = 113205552.

The previous prime is 141506917. The next prime is 141506993. The reversal of 141506945 is 549605141.

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 18939904 + 122567041 = 4352^2 + 11071^2 .

It is a cyclic number.

It is not a de Polignac number, because 141506945 - 2¹⁸ = 141244801 is a prime.

It is a Curzon number.

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, 14150690 + ... + 14150699.

It is an arithmetic number, because the mean of its divisors is an integer number (42452085).

Almost surely, 2^141506945 is an apocalyptic number.

It is an amenable number.

141506945 is a deficient number, since it is larger than the sum of its proper divisors (28301395).

141506945 is an equidigital number, since it uses as much as digits as its factorization.

141506945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28301394.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 141506945 is about 11895.6691699122. The cubic root of 141506945 is about 521.1058136619.

The spelling of 141506945 in words is "one hundred forty-one million, five hundred six thousand, nine hundred forty-five".