454645126128 has 20 divisors (see below), whose sum is σ = 1174499909288. Its totient is φ = 151548375360.

The previous prime is 454645126123. The next prime is 454645126139. The reversal of 454645126128 is 821621546454.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 9471773461 = 454645126128 / (4 + 5 + 4 + 6 + 4 + 5 + 1 + 2 + 6 + 1 + 2 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454645126121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4735886683 + ... + 4735886778.

Almost surely, 2^454645126128 is an apocalyptic number.

454645126128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

454645126128 is an abundant number, since it is smaller than the sum of its proper divisors (719854783160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454645126128 is a wasteful number, since it uses less digits than its factorization.

454645126128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471773472 (or 9471773466 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 48.

The spelling of 454645126128 in words is "four hundred fifty-four billion, six hundred forty-five million, one hundred twenty-six thousand, one hundred twenty-eight".