1451200144 has 10 divisors (see below), whose sum is σ = 2811700310. Its totient is φ = 725600064.

The previous prime is 1451200139. The next prime is 1451200181. The reversal of 1451200144 is 4410021541.

It can be written as a sum of positive squares in only one way, i.e., 830592400 + 620607744 = 28820^2 + 24912^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45349989 + ... + 45350020.

It is an arithmetic number, because the mean of its divisors is an integer number (281170031).

Almost surely, 2^1451200144 is an apocalyptic number.

It is an amenable number.

1451200144 is a deficient number, since it is larger than the sum of its proper divisors (1360500166).

1451200144 is an equidigital number, since it uses as much as digits as its factorization.

1451200144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90700017 (or 90700011 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1451200144 is about 38094.6209326199. The cubic root of 1451200144 is about 1132.1633821290.

Adding to 1451200144 its reverse (4410021541), we get a palindrome (5861221685).

The spelling of 1451200144 in words is "one billion, four hundred fifty-one million, two hundred thousand, one hundred forty-four".