1145427036 has 96 divisors (see below), whose sum is σ = 3041418240. Its totient is φ = 332984064.

The previous prime is 1145427001. The next prime is 1145427067. The reversal of 1145427036 is 6307245411.

It is a junction number, because it is equal to n+sod(n) for n = 1145426988 and 1145427006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209935 + ... + 215321.

It is an arithmetic number, because the mean of its divisors is an integer number (31681440).

Almost surely, 2^1145427036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145427036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520709120).

1145427036 is an abundant number, since it is smaller than the sum of its proper divisors (1895991204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145427036 is a wasteful number, since it uses less digits than its factorization.

1145427036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1145427036 is about 33844.1580778722. The cubic root of 1145427036 is about 1046.2989992025.

The spelling of 1145427036 in words is "one billion, one hundred forty-five million, four hundred twenty-seven thousand, thirty-six".