245431141 has 8 divisors (see below), whose sum is σ = 248528664. Its totient is φ = 242350080.

The previous prime is 245431139. The next prime is 245431163. The reversal of 245431141 is 141134542.

It can be written as a sum of positive squares in 4 ways, for example, as 8579041 + 236852100 = 2929^2 + 15390^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245431141 - 2¹ = 245431139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245431441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27381 + ... + 35221.

It is an arithmetic number, because the mean of its divisors is an integer number (31066083).

Almost surely, 2^245431141 is an apocalyptic number.

It is an amenable number.

245431141 is a deficient number, since it is larger than the sum of its proper divisors (3097523).

245431141 is a wasteful number, since it uses less digits than its factorization.

245431141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231.

The product of its digits is 1920, while the sum is 25.

The square root of 245431141 is about 15666.2420828991. The cubic root of 245431141 is about 626.0993056298.

Adding to 245431141 its reverse (141134542), we get a palindrome (386565683).

The spelling of 245431141 in words is "two hundred forty-five million, four hundred thirty-one thousand, one hundred forty-one".