1145045203 has 8 divisors (see below), whose sum is σ = 1205917520. Its totient is φ = 1084233600.

The previous prime is 1145045147. The next prime is 1145045207. The reversal of 1145045203 is 3025405411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145045203 - 2¹³ = 1145037011 is a prime.

It is a super-2 number, since 2×1145045203² = 2622257033826622418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145045207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26503 + ... + 54703.

It is an arithmetic number, because the mean of its divisors is an integer number (150739690).

Almost surely, 2^1145045203 is an apocalyptic number.

1145045203 is a deficient number, since it is larger than the sum of its proper divisors (60872317).

1145045203 is a wasteful number, since it uses less digits than its factorization.

1145045203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30357.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1145045203 is about 33838.5165602749. The cubic root of 1145045203 is about 1046.1827235329.

The spelling of 1145045203 in words is "one billion, one hundred forty-five million, forty-five thousand, two hundred three".