1145516340 has 48 divisors (see below), whose sum is σ = 3310917120. Its totient is φ = 295616640.

The previous prime is 1145516299. The next prime is 1145516347. The reversal of 1145516340 is 436155411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1145516298 and 1145516307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145516347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306075 + ... + 309794.

It is an arithmetic number, because the mean of its divisors is an integer number (68977440).

Almost surely, 2^1145516340 is an apocalyptic number.

1145516340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145516340 is an abundant number, since it is smaller than the sum of its proper divisors (2165400780).

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

1145516340 is a wasteful number, since it uses less digits than its factorization.

1145516340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615912 (or 615910 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1145516340 is about 33845.4773935898. The cubic root of 1145516340 is about 1046.3261903009.

The spelling of 1145516340 in words is "one billion, one hundred forty-five million, five hundred sixteen thousand, three hundred forty".