455144888 has 48 divisors (see below), whose sum is σ = 942406080. Its totient is φ = 205920000.

The previous prime is 455144887. The next prime is 455144897. The reversal of 455144888 is 888441554.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455144887) 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, 232313 + ... + 234263.

It is an arithmetic number, because the mean of its divisors is an integer number (19633460).

Almost surely, 2^455144888 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 455144888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471203040).

455144888 is an abundant number, since it is smaller than the sum of its proper divisors (487261192).

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

455144888 is a wasteful number, since it uses less digits than its factorization.

455144888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220 (or 2205 counting only the distinct ones).

The product of its digits is 819200, while the sum is 47.

The square root of 455144888 is about 21334.1249644789. The cubic root of 455144888 is about 769.2187995409.

The spelling of 455144888 in words is "four hundred fifty-five million, one hundred forty-four thousand, eight hundred eighty-eight".