245141131 has 4 divisors (see below), whose sum is σ = 245355264. Its totient is φ = 244927000.

The previous prime is 245141129. The next prime is 245141189. The reversal of 245141131 is 131141542.

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

It is a cyclic number.

It is not a de Polignac number, because 245141131 - 2¹ = 245141129 is a prime.

It is a super-2 number, since 2×245141131² = 120188348215918322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245141431) 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, 105340 + ... + 107641.

It is an arithmetic number, because the mean of its divisors is an integer number (61338816).

Almost surely, 2^245141131 is an apocalyptic number.

245141131 is a deficient number, since it is larger than the sum of its proper divisors (214133).

245141131 is a wasteful number, since it uses less digits than its factorization.

245141131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214132.

The product of its digits is 480, while the sum is 22.

The square root of 245141131 is about 15656.9834578695. The cubic root of 245141131 is about 625.8526015042.

Adding to 245141131 its reverse (131141542), we get a palindrome (376282673).

It can be divided in two parts, 245 and 141131, that added together give a square (141376 = 376²).

The spelling of 245141131 in words is "two hundred forty-five million, one hundred forty-one thousand, one hundred thirty-one".