1143401018 has 8 divisors (see below), whose sum is σ = 1716088512. Its totient is φ = 571371516.

The previous prime is 1143400997. The next prime is 1143401027. The reversal of 1143401018 is 8101043411.

It is a happy number.

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

It is a super-3 number, since 3×1143401018³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1143400984 and 1143401002.

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, 160130 + ... + 167117.

It is an arithmetic number, because the mean of its divisors is an integer number (214511064).

Almost surely, 2^1143401018 is an apocalyptic number.

1143401018 is a deficient number, since it is larger than the sum of its proper divisors (572687494).

1143401018 is a wasteful number, since it uses less digits than its factorization.

1143401018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328996.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1143401018 is about 33814.2132541924. The cubic root of 1143401018 is about 1045.6817412988.

Adding to 1143401018 its reverse (8101043411), we get a palindrome (9244444429).

The spelling of 1143401018 in words is "one billion, one hundred forty-three million, four hundred one thousand, eighteen".