1143751514 has 8 divisors (see below), whose sum is σ = 1717150260. Its totient is φ = 571368096.

The previous prime is 1143751513. The next prime is 1143751519. The reversal of 1143751514 is 4151573411.

It can be written as a sum of positive squares in 2 ways, for example, as 993321289 + 150430225 = 31517^2 + 12265^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1143751513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251009 + ... + 255524.

Almost surely, 2^1143751514 is an apocalyptic number.

1143751514 is a deficient number, since it is larger than the sum of its proper divisors (573398746).

1143751514 is a wasteful number, since it uses less digits than its factorization.

1143751514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507664.

The product of its digits is 8400, while the sum is 32.

The square root of 1143751514 is about 33819.3955297844. The cubic root of 1143751514 is about 1045.7885774886.

The spelling of 1143751514 in words is "one billion, one hundred forty-three million, seven hundred fifty-one thousand, five hundred fourteen".