1101032145 has 24 divisors (see below), whose sum is σ = 1935340992. Its totient is φ = 578944800.

The previous prime is 1101032137. The next prime is 1101032161. The reversal of 1101032145 is 5412301011.

It is not a de Polignac number, because 1101032145 - 2³ = 1101032137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169111 + ... + 175500.

It is an arithmetic number, because the mean of its divisors is an integer number (80639208).

Almost surely, 2^1101032145 is an apocalyptic number.

1101032145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1101032145 is a deficient number, since it is larger than the sum of its proper divisors (834308847).

1101032145 is a wasteful number, since it uses less digits than its factorization.

1101032145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344693 (or 344690 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1101032145 is about 33181.8044265227. The cubic root of 1101032145 is about 1032.6028820283.

Adding to 1101032145 its reverse (5412301011), we get a palindrome (6513333156).

The spelling of 1101032145 in words is "one billion, one hundred one million, thirty-two thousand, one hundred forty-five".