1145355340 has 24 divisors (see below), whose sum is σ = 2531838960. Its totient is φ = 434029248.

The previous prime is 1145355317. The next prime is 1145355371. The reversal of 1145355340 is 435535411.

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, 1506667 + ... + 1507426.

It is an arithmetic number, because the mean of its divisors is an integer number (105493290).

Almost surely, 2^1145355340 is an apocalyptic number.

1145355340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145355340 is an abundant number, since it is smaller than the sum of its proper divisors (1386483620).

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

1145355340 is a wasteful number, since it uses less digits than its factorization.

1145355340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014121 (or 3014119 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1145355340 is about 33843.0988533852. The cubic root of 1145355340 is about 1046.2771683290.

The spelling of 1145355340 in words is "one billion, one hundred forty-five million, three hundred fifty-five thousand, three hundred forty".