1145240513 has 8 divisors (see below), whose sum is σ = 1213319808. Its totient is φ = 1077240384.

The previous prime is 1145240489. The next prime is 1145240527. The reversal of 1145240513 is 3150425411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145240513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145242513) 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, 11420 + ... + 49202.

It is an arithmetic number, because the mean of its divisors is an integer number (151664976).

Almost surely, 2^1145240513 is an apocalyptic number.

It is an amenable number.

1145240513 is a deficient number, since it is larger than the sum of its proper divisors (68079295).

1145240513 is a wasteful number, since it uses less digits than its factorization.

1145240513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39583.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1145240513 is about 33841.4023497845. The cubic root of 1145240513 is about 1046.2422025039.

Adding to 1145240513 its reverse (3150425411), we get a palindrome (4295665924).

The spelling of 1145240513 in words is "one billion, one hundred forty-five million, two hundred forty thousand, five hundred thirteen".