1144744134 has 16 divisors (see below), whose sum is σ = 2317073472. Its totient is φ = 376983848.

The previous prime is 1144744123. The next prime is 1144744169. The reversal of 1144744134 is 4314474411.

It is a junction number, because it is equal to n+sod(n) for n = 1144744095 and 1144744104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148844 + ... + 1149839.

It is an arithmetic number, because the mean of its divisors is an integer number (144817092).

Almost surely, 2^1144744134 is an apocalyptic number.

1144744134 is an abundant number, since it is smaller than the sum of its proper divisors (1172329338).

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

1144744134 is a wasteful number, since it uses less digits than its factorization.

1144744134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298771.

The product of its digits is 21504, while the sum is 33.

The square root of 1144744134 is about 33834.0676537717. The cubic root of 1144744134 is about 1046.0910238646.

The spelling of 1144744134 in words is "one billion, one hundred forty-four million, seven hundred forty-four thousand, one hundred thirty-four".