245225145132431 has 16 divisors (see below), whose sum is σ = 257584888028160. Its totient is φ = 233192378086080.

The previous prime is 245225145132421. The next prime is 245225145132449. The reversal of 245225145132431 is 134231541522542.

It is a cyclic number.

It is not a de Polignac number, because 245225145132431 - 2¹⁴ = 245225145116047 is a prime.

It is a super-2 number, since 2×245225145132431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245225145132421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144349025 + ... + 146037978.

It is an arithmetic number, because the mean of its divisors is an integer number (16099055501760).

Almost surely, 2^{245225145132431} is an apocalyptic number.

245225145132431 is a deficient number, since it is larger than the sum of its proper divisors (12359742895729).

245225145132431 is a wasteful number, since it uses less digits than its factorization.

245225145132431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290387566.

The product of its digits is 1152000, while the sum is 44.

Adding to 245225145132431 its reverse (134231541522542), we get a palindrome (379456686654973).

The spelling of 245225145132431 in words is "two hundred forty-five trillion, two hundred twenty-five billion, one hundred forty-five million, one hundred thirty-two thousand, four hundred thirty-one".