1144663434 has 32 divisors (see below), whose sum is σ = 2544834240. Its totient is φ = 381383856.

The previous prime is 1144663381. The next prime is 1144663439. The reversal of 1144663434 is 4343664411.

1144663434 is a `hidden beast` number, since 1 + 14 + 4 + 6 + 634 + 3 + 4 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1144663439) 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, 192169 + ... + 198035.

It is an arithmetic number, because the mean of its divisors is an integer number (79526070).

Almost surely, 2^1144663434 is an apocalyptic number.

1144663434 is an abundant number, since it is smaller than the sum of its proper divisors (1400170806).

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

1144663434 is a wasteful number, since it uses less digits than its factorization.

1144663434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9491 (or 9485 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 1144663434 is about 33832.8750477993. The cubic root of 1144663434 is about 1046.0664415068.

The spelling of 1144663434 in words is "one billion, one hundred forty-four million, six hundred sixty-three thousand, four hundred thirty-four".