1145545300 has 36 divisors (see below), whose sum is σ = 2496200476. Its totient is φ = 456307200.

The previous prime is 1145545253. The next prime is 1145545301. The reversal of 1145545300 is 35455411.

It can be written as a sum of positive squares in 6 ways, for example, as 149132944 + 996412356 = 12212^2 + 31566^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145545301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334 + ... + 47866.

Almost surely, 2^1145545300 is an apocalyptic number.

1145545300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145545300 is an abundant number, since it is smaller than the sum of its proper divisors (1350655176).

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

1145545300 is a wasteful number, since it uses less digits than its factorization.

1145545300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47788 (or 47781 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1145545300 is about 33845.9052176183. The cubic root of 1145545300 is about 1046.3350076787.

The spelling of 1145545300 in words is "one billion, one hundred forty-five million, five hundred forty-five thousand, three hundred".