1145453204 has 18 divisors (see below), whose sum is σ = 2331815850. Its totient is φ = 490908432.

The previous prime is 1145453159. The next prime is 1145453213. The reversal of 1145453204 is 4023545411.

It can be written as a sum of positive squares in only one way, i.e., 829324804 + 316128400 = 28798^2 + 17780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2921879 + ... + 2922270.

It is an arithmetic number, because the mean of its divisors is an integer number (129545325).

Almost surely, 2^1145453204 is an apocalyptic number.

1145453204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1145453204 is an abundant number, since it is smaller than the sum of its proper divisors (1186362646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145453204 is a wasteful number, since it uses less digits than its factorization.

1145453204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5844167 (or 5844158 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1145453204 is about 33844.5446711874. The cubic root of 1145453204 is about 1046.3069669278.

Adding to 1145453204 its reverse (4023545411), we get a palindrome (5168998615).

The spelling of 1145453204 in words is "one billion, one hundred forty-five million, four hundred fifty-three thousand, two hundred four".