1451213144 has 32 divisors (see below), whose sum is σ = 2763072000. Its totient is φ = 714474912.

The previous prime is 1451213123. The next prime is 1451213161. The reversal of 1451213144 is 4413121541.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 142577 + ... + 152415.

It is an arithmetic number, because the mean of its divisors is an integer number (86346000).

Almost surely, 2^1451213144 is an apocalyptic number.

It is an amenable number.

1451213144 is a deficient number, since it is larger than the sum of its proper divisors (1311858856).

1451213144 is a wasteful number, since it uses less digits than its factorization.

1451213144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127 (or 10123 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 1451213144 is about 38094.7915600020. The cubic root of 1451213144 is about 1132.1667627975.

Adding to 1451213144 its reverse (4413121541), we get a palindrome (5864334685).

The spelling of 1451213144 in words is "one billion, four hundred fifty-one million, two hundred thirteen thousand, one hundred forty-four".