1144545202 has 4 divisors (see below), whose sum is σ = 1716817806. Its totient is φ = 572272600.

The previous prime is 1144545197. The next prime is 1144545211. The reversal of 1144545202 is 2025454411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2025454411 = 1987 ⋅1019353.

It can be written as a sum of positive squares in only one way, i.e., 1045164241 + 99380961 = 32329^2 + 9969^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286136299 + ... + 286136302.

Almost surely, 2^1144545202 is an apocalyptic number.

1144545202 is a deficient number, since it is larger than the sum of its proper divisors (572272604).

1144545202 is an equidigital number, since it uses as much as digits as its factorization.

1144545202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572272603.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1144545202 is about 33831.1277080738. The cubic root of 1144545202 is about 1046.0304242863.

Adding to 1144545202 its reverse (2025454411), we get a palindrome (3169999613).

The spelling of 1144545202 in words is "one billion, one hundred forty-four million, five hundred forty-five thousand, two hundred two".