1144664234 has 32 divisors (see below), whose sum is σ = 2069598720. Its totient is φ = 463842288.

The previous prime is 1144664233. The next prime is 1144664237. The reversal of 1144664234 is 4324664411.

It is a junction number, because it is equal to n+sod(n) for n = 1144664194 and 1144664203.

It is not an unprimeable number, because it can be changed into a prime (1144664231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141569 + ... + 149435.

It is an arithmetic number, because the mean of its divisors is an integer number (64674960).

Almost surely, 2^1144664234 is an apocalyptic number.

1144664234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1144664234 is a deficient number, since it is larger than the sum of its proper divisors (924934486).

1144664234 is a wasteful number, since it uses less digits than its factorization.

1144664234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8442.

The product of its digits is 55296, while the sum is 35.

The square root of 1144664234 is about 33832.8868706175. The cubic root of 1144664234 is about 1046.0666852038.

The spelling of 1144664234 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, two hundred thirty-four".