1144893552 has 80 divisors (see below), whose sum is σ = 3337822080. Its totient is φ = 334969600.

The previous prime is 1144893551. The next prime is 1144893557. The reversal of 1144893552 is 2553984411.

It is a super-2 number, since 2×1144893552² = 2621562490822353408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144893551) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22074 + ... + 52697.

It is an arithmetic number, because the mean of its divisors is an integer number (41722776).

Almost surely, 2^1144893552 is an apocalyptic number.

1144893552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144893552 is an abundant number, since it is smaller than the sum of its proper divisors (2192928528).

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

1144893552 is a wasteful number, since it uses less digits than its factorization.

1144893552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74822 (or 74816 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 1144893552 is about 33836.2756815817. The cubic root of 1144893552 is about 1046.1365356443.

The spelling of 1144893552 in words is "one billion, one hundred forty-four million, eight hundred ninety-three thousand, five hundred fifty-two".