1451135144 has 16 divisors (see below), whose sum is σ = 2737173600. Its totient is φ = 721222192.

The previous prime is 1451135131. The next prime is 1451135167. The reversal of 1451135144 is 4415311541.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541754 + ... + 544425.

It is an arithmetic number, because the mean of its divisors is an integer number (171073350).

Almost surely, 2^1451135144 is an apocalyptic number.

It is an amenable number.

1451135144 is a deficient number, since it is larger than the sum of its proper divisors (1286038456).

1451135144 is a wasteful number, since it uses less digits than its factorization.

1451135144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086352 (or 1086348 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 1451135144 is about 38093.7677842452. The cubic root of 1451135144 is about 1132.1464784834.

Adding to 1451135144 its reverse (4415311541), we get a palindrome (5866446685).

The spelling of 1451135144 in words is "one billion, four hundred fifty-one million, one hundred thirty-five thousand, one hundred forty-four".