1145113345 has 8 divisors (see below), whose sum is σ = 1375778880. Its totient is φ = 914995440.

The previous prime is 1145113303. The next prime is 1145113369. The reversal of 1145113345 is 5433115411.

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

It is not a de Polignac number, because 1145113345 - 2¹⁷ = 1144982273 is a prime.

It is a super-2 number, since 2×1145113345² = 2622569145794178050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132291 + ... + 140680.

It is an arithmetic number, because the mean of its divisors is an integer number (171972360).

Almost surely, 2^1145113345 is an apocalyptic number.

It is an amenable number.

1145113345 is a deficient number, since it is larger than the sum of its proper divisors (230665535).

1145113345 is an equidigital number, since it uses as much as digits as its factorization.

1145113345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273815.

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

The square root of 1145113345 is about 33839.5234156748. The cubic root of 1145113345 is about 1046.2034760088.

Adding to 1145113345 its reverse (5433115411), we get a palindrome (6578228756).

The spelling of 1145113345 in words is "one billion, one hundred forty-five million, one hundred thirteen thousand, three hundred forty-five".