1145562203 has 8 divisors (see below), whose sum is σ = 1150276416. Its totient is φ = 1140856200.

The previous prime is 1145562191. The next prime is 1145562233. The reversal of 1145562203 is 3022655411.

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 1145562203 - 2⁶ = 1145562139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145562233) 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, 518900 + ... + 521102.

It is an arithmetic number, because the mean of its divisors is an integer number (143784552).

Almost surely, 2^1145562203 is an apocalyptic number.

1145562203 is a deficient number, since it is larger than the sum of its proper divisors (4714213).

1145562203 is a wasteful number, since it uses less digits than its factorization.

1145562203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1145562203 is about 33846.1549219405. The cubic root of 1145562203 is about 1046.3401540236.

The spelling of 1145562203 in words is "one billion, one hundred forty-five million, five hundred sixty-two thousand, two hundred three".