1144260836 has 6 divisors (see below), whose sum is σ = 2002456470. Its totient is φ = 572130416.

The previous prime is 1144260829. The next prime is 1144260839. The reversal of 1144260836 is 6380624411.

It can be written as a sum of positive squares in only one way, i.e., 920758336 + 223502500 = 30344^2 + 14950^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1144260796 and 1144260805.

It is not an unprimeable number, because it can be changed into a prime (1144260839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143032601 + ... + 143032608.

It is an arithmetic number, because the mean of its divisors is an integer number (333742745).

Almost surely, 2^1144260836 is an apocalyptic number.

It is an amenable number.

1144260836 is a deficient number, since it is larger than the sum of its proper divisors (858195634).

1144260836 is a wasteful number, since it uses less digits than its factorization.

1144260836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286065213 (or 286065211 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1144260836 is about 33826.9247198145. The cubic root of 1144260836 is about 1045.9437872171.

The spelling of 1144260836 in words is "one billion, one hundred forty-four million, two hundred sixty thousand, eight hundred thirty-six".