454273632 has 144 divisors (see below), whose sum is σ = 1351350000. Its totient is φ = 144571392.

The previous prime is 454273613. The next prime is 454273637. The reversal of 454273632 is 236372454.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454273637) 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 23 ways as a sum of consecutive naturals, for example, 910119 + ... + 910617.

It is an arithmetic number, because the mean of its divisors is an integer number (9384375).

Almost surely, 2^454273632 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 454273632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675675000).

454273632 is an abundant number, since it is smaller than the sum of its proper divisors (897076368).

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

454273632 is a wasteful number, since it uses less digits than its factorization.

454273632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 642 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 454273632 is about 21313.6958784721. The cubic root of 454273632 is about 768.7276632019.

The spelling of 454273632 in words is "four hundred fifty-four million, two hundred seventy-three thousand, six hundred thirty-two".