450144054 has 80 divisors (see below), whose sum is σ = 1082030400. Its totient is φ = 139366656.

The previous prime is 450144053. The next prime is 450144083. The reversal of 450144054 is 450441054.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450144053) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 216532 + ... + 218600.

It is an arithmetic number, because the mean of its divisors is an integer number (13525380).

Almost surely, 2^450144054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450144054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541015200).

450144054 is an abundant number, since it is smaller than the sum of its proper divisors (631886346).

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

450144054 is a wasteful number, since it uses less digits than its factorization.

450144054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 450144054 is about 21216.5985492491. The cubic root of 450144054 is about 766.3911939948.

The spelling of 450144054 in words is "four hundred fifty million, one hundred forty-four thousand, fifty-four".