1143608072 has 16 divisors (see below), whose sum is σ = 2173639740. Its totient is φ = 563970816.

The previous prime is 1143608051. The next prime is 1143608101. The reversal of 1143608072 is 2708063411.

It can be written as a sum of positive squares in 2 ways, for example, as 1004509636 + 139098436 = 31694^2 + 11794^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978533 + ... + 979700.

Almost surely, 2^1143608072 is an apocalyptic number.

It is an amenable number.

1143608072 is a deficient number, since it is larger than the sum of its proper divisors (1030031668).

1143608072 is a wasteful number, since it uses less digits than its factorization.

1143608072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958312 (or 1958308 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1143608072 is about 33817.2747571415. The cubic root of 1143608072 is about 1045.7448569558.

The spelling of 1143608072 in words is "one billion, one hundred forty-three million, six hundred eight thousand, seventy-two".