1144057212 has 18 divisors (see below), whose sum is σ = 2891922488. Its totient is φ = 381352392.

The previous prime is 1144057193. The next prime is 1144057217. The reversal of 1144057212 is 2127504411.

1144057212 is a `hidden beast` number, since 1 + 1 + 440 + 5 + 7 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144057217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15889648 + ... + 15889719.

Almost surely, 2^1144057212 is an apocalyptic number.

1144057212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144057212 is an abundant number, since it is smaller than the sum of its proper divisors (1747865276).

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

1144057212 is a wasteful number, since it uses less digits than its factorization.

1144057212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31779377 (or 31779372 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1144057212 is about 33823.9147941216. The cubic root of 1144057212 is about 1045.8817407892.

The spelling of 1144057212 in words is "one billion, one hundred forty-four million, fifty-seven thousand, two hundred twelve".