253430305220045 has 16 divisors (see below), whose sum is σ = 304146965670912. Its totient is φ = 202723845653760.

The previous prime is 253430305220041. The next prime is 253430305220063. The reversal of 253430305220045 is 540022503034352.

It is not a de Polignac number, because 253430305220045 - 2² = 253430305220041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253430305219990 and 253430305220008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253430305220041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3223321604 + ... + 3223400226.

It is an arithmetic number, because the mean of its divisors is an integer number (19009185354432).

Almost surely, 2^{253430305220045} is an apocalyptic number.

It is an amenable number.

253430305220045 is a deficient number, since it is larger than the sum of its proper divisors (50716660450867).

253430305220045 is a wasteful number, since it uses less digits than its factorization.

253430305220045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135292.

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 253430305220045 its reverse (540022503034352), we get a palindrome (793452808254397).

The spelling of 253430305220045 in words is "two hundred fifty-three trillion, four hundred thirty billion, three hundred five million, two hundred twenty thousand, forty-five".