1145040211 has 32 divisors (see below), whose sum is σ = 1433051136. Its totient is φ = 893376000.

The previous prime is 1145040203. The next prime is 1145040233. The reversal of 1145040211 is 1120405411.

It is a cyclic number.

It is not a de Polignac number, because 1145040211 - 2³ = 1145040203 is a prime.

It is a super-2 number, since 2×1145040211² = 2622234169613849042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145040011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302571 + ... + 306331.

It is an arithmetic number, because the mean of its divisors is an integer number (44782848).

Almost surely, 2^1145040211 is an apocalyptic number.

1145040211 is a deficient number, since it is larger than the sum of its proper divisors (288010925).

1145040211 is a wasteful number, since it uses less digits than its factorization.

1145040211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1145040211 is about 33838.4427980958. The cubic root of 1145040211 is about 1046.1812031994.

Adding to 1145040211 its reverse (1120405411), we get a palindrome (2265445622).

The spelling of 1145040211 in words is "one billion, one hundred forty-five million, forty thousand, two hundred eleven".