454315992 has 128 divisors (see below), whose sum is σ = 1297900800. Its totient is φ = 131369472.

The previous prime is 454315963. The next prime is 454315999. The reversal of 454315992 is 299513454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454315999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1025323 + ... + 1025765.

It is an arithmetic number, because the mean of its divisors is an integer number (10139850).

Almost surely, 2^454315992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454315992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648950400).

454315992 is an abundant number, since it is smaller than the sum of its proper divisors (843584808).

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

454315992 is a wasteful number, since it uses less digits than its factorization.

454315992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 653 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 454315992 is about 21314.6895825391. The cubic root of 454315992 is about 768.7515565042.

The spelling of 454315992 in words is "four hundred fifty-four million, three hundred fifteen thousand, nine hundred ninety-two".