252141149 has 4 divisors (see below), whose sum is σ = 271536636. Its totient is φ = 232745664.

The previous prime is 252141139. The next prime is 252141151. The reversal of 252141149 is 941141252.

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 84309124 + 167832025 = 9182^2 + 12955^2 .

It is a cyclic number.

It is not a de Polignac number, because 252141149 - 2⁴ = 252141133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252141139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9697724 + ... + 9697749.

It is an arithmetic number, because the mean of its divisors is an integer number (67884159).

Almost surely, 2^252141149 is an apocalyptic number.

It is an amenable number.

252141149 is a deficient number, since it is larger than the sum of its proper divisors (19395487).

252141149 is a wasteful number, since it uses less digits than its factorization.

252141149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19395486.

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

The square root of 252141149 is about 15878.9530196421. The cubic root of 252141149 is about 631.7538673630.

The spelling of 252141149 in words is "two hundred fifty-two million, one hundred forty-one thousand, one hundred forty-nine".