1144664212 has 24 divisors (see below), whose sum is σ = 2070254592. Its totient is φ = 553207200.

The previous prime is 1144664203. The next prime is 1144664219. The reversal of 1144664212 is 2124664411.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144664219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107898 + ... + 118030.

It is an arithmetic number, because the mean of its divisors is an integer number (86260608).

Almost surely, 2^1144664212 is an apocalyptic number.

It is an amenable number.

1144664212 is a deficient number, since it is larger than the sum of its proper divisors (925590380).

1144664212 is a wasteful number, since it uses less digits than its factorization.

1144664212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11079 (or 11077 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 1144664212 is about 33832.8865454900. The cubic root of 1144664212 is about 1046.0666785021.

The spelling of 1144664212 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, two hundred twelve".