1145341240 has 16 divisors (see below), whose sum is σ = 2577017880. Its totient is φ = 458136480.

The previous prime is 1145341237. The next prime is 1145341243. The reversal of 1145341240 is 421435411.

It is an interprime number because it is at equal distance from previous prime (1145341237) and next prime (1145341243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145341243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14316726 + ... + 14316805.

Almost surely, 2^1145341240 is an apocalyptic number.

1145341240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145341240 is an abundant number, since it is smaller than the sum of its proper divisors (1431676640).

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

1145341240 is a wasteful number, since it uses less digits than its factorization.

1145341240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28633542 (or 28633538 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1145341240 is about 33842.8905384868. The cubic root of 1145341240 is about 1046.2728748816.

Adding to 1145341240 its reverse (421435411), we get a palindrome (1566776651).

The spelling of 1145341240 in words is "one billion, one hundred forty-five million, three hundred forty-one thousand, two hundred forty".