2431432255145 has 4 divisors (see below), whose sum is σ = 2917718706180. Its totient is φ = 1945145804112.

The previous prime is 2431432255103. The next prime is 2431432255169. The reversal of 2431432255145 is 5415522341342.

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 339529966864 + 2091902288281 = 582692^2 + 1446341^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431432255145 - 2²⁰ = 2431431206569 is a prime.

It is a super-2 number, since 2×2431432255145² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243143225510 + ... + 243143225519.

It is an arithmetic number, because the mean of its divisors is an integer number (729429676545).

Almost surely, 2^{2431432255145} is an apocalyptic number.

It is an amenable number.

2431432255145 is a deficient number, since it is larger than the sum of its proper divisors (486286451035).

2431432255145 is an equidigital number, since it uses as much as digits as its factorization.

2431432255145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486286451034.

The product of its digits is 576000, while the sum is 41.

Adding to 2431432255145 its reverse (5415522341342), we get a palindrome (7846954596487).

The spelling of 2431432255145 in words is "two trillion, four hundred thirty-one billion, four hundred thirty-two million, two hundred fifty-five thousand, one hundred forty-five".