1144841216 has 22 divisors (see below), whose sum is σ = 2288566470. Its totient is φ = 572420096.

The previous prime is 1144841213. The next prime is 1144841221. The reversal of 1144841216 is 6121484411.

It can be written as a sum of positive squares in only one way, i.e., 983449600 + 161391616 = 31360^2 + 12704^2 .

It is a super-2 number, since 2×1144841216² = 2621322819704717312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1144841213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557981 + ... + 560028.

Almost surely, 2^1144841216 is an apocalyptic number.

1144841216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1144841216 is a deficient number, since it is larger than the sum of its proper divisors (1143725254).

1144841216 is an equidigital number, since it uses as much as digits as its factorization.

1144841216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118029 (or 1118011 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 1144841216 is about 33835.5023015767. The cubic root of 1144841216 is about 1046.1205948796.

The spelling of 1144841216 in words is "one billion, one hundred forty-four million, eight hundred forty-one thousand, two hundred sixteen".