1100145052 has 12 divisors (see below), whose sum is σ = 1927293480. Its totient is φ = 549489776.

The previous prime is 1100145047. The next prime is 1100145077. The reversal of 1100145052 is 2505410011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141427 + ... + 149002.

It is an arithmetic number, because the mean of its divisors is an integer number (160607790).

Almost surely, 2^1100145052 is an apocalyptic number.

It is an amenable number.

1100145052 is a deficient number, since it is larger than the sum of its proper divisors (827148428).

1100145052 is a wasteful number, since it uses less digits than its factorization.

1100145052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291380 (or 291378 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1100145052 is about 33168.4345726475. The cubic root of 1100145052 is about 1032.3254874910.

Adding to 1100145052 its reverse (2505410011), we get a palindrome (3605555063).

The spelling of 1100145052 in words is "one billion, one hundred million, one hundred forty-five thousand, fifty-two".