453135978 has 64 divisors (see below), whose sum is σ = 1084723200. Its totient is φ = 139754160.

The previous prime is 453135971. The next prime is 453135979. The reversal of 453135978 is 879531354.

453135978 is a `hidden beast` number, since 4 + 53 + 1 + 3 + 597 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (453135971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38983 + ... + 49253.

It is an arithmetic number, because the mean of its divisors is an integer number (16948800).

Almost surely, 2^453135978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 453135978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542361600).

453135978 is an abundant number, since it is smaller than the sum of its proper divisors (631587222).

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

453135978 is a wasteful number, since it uses less digits than its factorization.

453135978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10344 (or 10338 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 453135978 is about 21286.9908159890. The cubic root of 453135978 is about 768.0854092025.

The spelling of 453135978 in words is "four hundred fifty-three million, one hundred thirty-five thousand, nine hundred seventy-eight".