450144156 has 96 divisors (see below), whose sum is σ = 1386588672. Its totient is φ = 110039040.

The previous prime is 450144131. The next prime is 450144157. The reversal of 450144156 is 651441054.

It is a super-2 number, since 2×450144156² = 405259522361904672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450144157) 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, 1380 + ... + 30036.

It is an arithmetic number, because the mean of its divisors is an integer number (14443632).

Almost surely, 2^450144156 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 450144156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693294336).

450144156 is an abundant number, since it is smaller than the sum of its proper divisors (936444516).

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

450144156 is a wasteful number, since it uses less digits than its factorization.

450144156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28699 (or 28697 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 450144156 is about 21216.6009530273. The cubic root of 450144156 is about 766.3912518814.

The spelling of 450144156 in words is "four hundred fifty million, one hundred forty-four thousand, one hundred fifty-six".