1144732312 has 32 divisors (see below), whose sum is σ = 2225390400. Its totient is φ = 551384064.

The previous prime is 1144732271. The next prime is 1144732321. The reversal of 1144732312 is 2132374411.

It is a super-2 number, since 2×1144732312² = 2620824132273730688, which contains 22 as substring.

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, 102088 + ... + 112744.

It is an arithmetic number, because the mean of its divisors is an integer number (69543450).

Almost surely, 2^1144732312 is an apocalyptic number.

It is an amenable number.

1144732312 is a deficient number, since it is larger than the sum of its proper divisors (1080658088).

1144732312 is a wasteful number, since it uses less digits than its factorization.

1144732312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11155 (or 11151 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 1144732312 is about 33833.8929477528. The cubic root of 1144732312 is about 1046.0874227889.

It can be divided in two parts, 114 and 4732312, that added together give a triangular number (4732426 = T₃₀₇₆).

The spelling of 1144732312 in words is "one billion, one hundred forty-four million, seven hundred thirty-two thousand, three hundred twelve".