144454450 has 48 divisors (see below), whose sum is σ = 313372800. Its totient is φ = 49521360.

The previous prime is 144454417. The next prime is 144454469. The reversal of 144454450 is 54454441.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12939 + ... + 21361.

It is an arithmetic number, because the mean of its divisors is an integer number (6528600).

Almost surely, 2^144454450 is an apocalyptic number.

144454450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144454450 is an abundant number, since it is smaller than the sum of its proper divisors (168918350).

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

144454450 is an equidigital number, since it uses as much as digits as its factorization.

144454450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8456 (or 8437 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 144454450 is about 12018.9205006107. The cubic root of 144454450 is about 524.6990868184.

Subtracting from 144454450 its reverse (54454441), we obtain a palindrome (90000009).

The spelling of 144454450 in words is "one hundred forty-four million, four hundred fifty-four thousand, four hundred fifty".