1145345511 has 8 divisors (see below), whose sum is σ = 1533464944. Its totient is φ = 760394880.

The previous prime is 1145345483. The next prime is 1145345519. The reversal of 1145345511 is 1155435411.

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

It is not a de Polignac number, because 1145345511 - 2⁶ = 1145345447 is a prime.

It is a super-2 number, since 2×1145345511² = 2623632679135702242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145345519) 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, 791356 + ... + 792801.

It is an arithmetic number, because the mean of its divisors is an integer number (191683118).

Almost surely, 2^1145345511 is an apocalyptic number.

1145345511 is a deficient number, since it is larger than the sum of its proper divisors (388119433).

1145345511 is a wasteful number, since it uses less digits than its factorization.

1145345511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584401.

The product of its digits is 6000, while the sum is 30.

The square root of 1145345511 is about 33842.9536388300. The cubic root of 1145345511 is about 1046.2741754041.

The spelling of 1145345511 in words is "one billion, one hundred forty-five million, three hundred forty-five thousand, five hundred eleven".