1101145450 has 48 divisors (see below), whose sum is σ = 2093258880. Its totient is φ = 430859520.

The previous prime is 1101145439. The next prime is 1101145459. The reversal of 1101145450 is 545411011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1101145459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445117 + ... + 447583.

It is an arithmetic number, because the mean of its divisors is an integer number (43609560).

Almost surely, 2^1101145450 is an apocalyptic number.

1101145450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101145450 is a deficient number, since it is larger than the sum of its proper divisors (992113430).

1101145450 is a wasteful number, since it uses less digits than its factorization.

1101145450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1101145450 is about 33183.5117189245. The cubic root of 1101145450 is about 1032.6383018408.

Adding to 1101145450 its reverse (545411011), we get a palindrome (1646556461).

The spelling of 1101145450 in words is "one billion, one hundred one million, one hundred forty-five thousand, four hundred fifty".