144434450 has 24 divisors (see below), whose sum is σ = 269171760. Its totient is φ = 57661200.

The previous prime is 144434441. The next prime is 144434473. The reversal of 144434450 is 54434441.

It is a super-2 number, since 2×144434450² = 41722620693605000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 26021 + ... + 31079.

It is an arithmetic number, because the mean of its divisors is an integer number (11215490).

Almost surely, 2^144434450 is an apocalyptic number.

144434450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144434450 is a deficient number, since it is larger than the sum of its proper divisors (124737310).

144434450 is a wasteful number, since it uses less digits than its factorization.

144434450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642 (or 5637 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 144434450 is about 12018.0884503319. The cubic root of 144434450 is about 524.6748704972.

Adding to 144434450 its reverse (54434441), we get a palindrome (198868891).

Subtracting from 144434450 its reverse (54434441), we obtain a palindrome (90000009).

The spelling of 144434450 in words is "one hundred forty-four million, four hundred thirty-four thousand, four hundred fifty".