245553540343145 has 16 divisors (see below), whose sum is σ = 296021110152720. Its totient is φ = 195539663499264.

The previous prime is 245553540343093. The next prime is 245553540343183. The reversal of 245553540343145 is 541343045355542.

It can be written as a sum of positive squares in 8 ways, for example, as 86473112024464 + 159080428318681 = 9299092^2 + 12612709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245553540343145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86459312 + ... + 89254241.

It is an arithmetic number, because the mean of its divisors is an integer number (18501319384545).

Almost surely, 2^{245553540343145} is an apocalyptic number.

It is an amenable number.

245553540343145 is a deficient number, since it is larger than the sum of its proper divisors (50467569809575).

245553540343145 is a wasteful number, since it uses less digits than its factorization.

245553540343145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175714844.

The product of its (nonzero) digits is 43200000, while the sum is 53.

Adding to 245553540343145 its reverse (541343045355542), we get a palindrome (786896585698687).

The spelling of 245553540343145 in words is "two hundred forty-five trillion, five hundred fifty-three billion, five hundred forty million, three hundred forty-three thousand, one hundred forty-five".