1100143748 has 48 divisors (see below), whose sum is σ = 2173194240. Its totient is φ = 482781600.

The previous prime is 1100143747. The next prime is 1100143783. The reversal of 1100143748 is 8473410011.

It is a self number, because there is not a number n which added to its sum of digits gives 1100143748.

It is not an unprimeable number, because it can be changed into a prime (1100143747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843665 + ... + 844967.

It is an arithmetic number, because the mean of its divisors is an integer number (45274880).

Almost surely, 2^1100143748 is an apocalyptic number.

It is an amenable number.

1100143748 is a deficient number, since it is larger than the sum of its proper divisors (1073050492).

1100143748 is a wasteful number, since it uses less digits than its factorization.

1100143748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1100143748 is about 33168.4149153981. The cubic root of 1100143748 is about 1032.3250796196.

Adding to 1100143748 its reverse (8473410011), we get a palindrome (9573553759).

The spelling of 1100143748 in words is "one billion, one hundred million, one hundred forty-three thousand, seven hundred forty-eight".