305042100453 has 12 divisors (see below), whose sum is σ = 440701512160. Its totient is φ = 203322102696.

The previous prime is 305042100443. The next prime is 305042100569. The reversal of 305042100453 is 354001240503.

305042100453 is a `hidden beast` number, since 3 + 0 + 504 + 2 + 100 + 4 + 53 = 666.

It is not a de Polignac number, because 305042100453 - 2¹³ = 305042092261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305042100413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3225601 + ... + 3318822.

Almost surely, 2^305042100453 is an apocalyptic number.

It is an amenable number.

305042100453 is a deficient number, since it is larger than the sum of its proper divisors (135659411707).

305042100453 is a wasteful number, since it uses less digits than its factorization.

305042100453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6549608 (or 6549605 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 305042100453 its reverse (354001240503), we get a palindrome (659043340956).

The spelling of 305042100453 in words is "three hundred five billion, forty-two million, one hundred thousand, four hundred fifty-three".