1144152392 has 8 divisors (see below), whose sum is σ = 2145285750. Its totient is φ = 572076192.

The previous prime is 1144152379. The next prime is 1144152397. The reversal of 1144152392 is 2932514411.

It can be written as a sum of positive squares in only one way, i.e., 881258596 + 262893796 = 29686^2 + 16214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1144152392² = 2618169392238643328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1144152397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71509517 + ... + 71509532.

Almost surely, 2^1144152392 is an apocalyptic number.

It is an amenable number.

1144152392 is a deficient number, since it is larger than the sum of its proper divisors (1001133358).

1144152392 is a wasteful number, since it uses less digits than its factorization.

1144152392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143019055 (or 143019051 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 1144152392 is about 33825.3217575236. The cubic root of 1144152392 is about 1045.9107440776.

The spelling of 1144152392 in words is "one billion, one hundred forty-four million, one hundred fifty-two thousand, three hundred ninety-two".