1145354311 has 16 divisors (see below), whose sum is σ = 1244382048. Its totient is φ = 1049932800.

The previous prime is 1145354291. The next prime is 1145354317. The reversal of 1145354311 is 1134535411.

It is a cyclic number.

It is not a de Polignac number, because 1145354311 - 2⁷ = 1145354183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1145354311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145354317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614521 + ... + 616381.

It is an arithmetic number, because the mean of its divisors is an integer number (77773878).

Almost surely, 2^1145354311 is an apocalyptic number.

1145354311 is a deficient number, since it is larger than the sum of its proper divisors (99027737).

1145354311 is a wasteful number, since it uses less digits than its factorization.

1145354311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802.

The product of its digits is 3600, while the sum is 28.

The square root of 1145354311 is about 33843.0836508732. The cubic root of 1145354311 is about 1046.2768549999.

Adding to 1145354311 its reverse (1134535411), we get a palindrome (2279889722).

The spelling of 1145354311 in words is "one billion, one hundred forty-five million, three hundred fifty-four thousand, three hundred eleven".