1145618520 has 32 divisors (see below), whose sum is σ = 3436855920. Its totient is φ = 305498240.

The previous prime is 1145618501. The next prime is 1145618527. The reversal of 1145618520 is 258165411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145618527) 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, 4773291 + ... + 4773530.

Almost surely, 2^1145618520 is an apocalyptic number.

1145618520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145618520 is an abundant number, since it is smaller than the sum of its proper divisors (2291237400).

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

1145618520 is a wasteful number, since it uses less digits than its factorization.

1145618520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9546835 (or 9546831 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 1145618520 is about 33846.9868673712. The cubic root of 1145618520 is about 1046.3573001238.

The spelling of 1145618520 in words is "one billion, one hundred forty-five million, six hundred eighteen thousand, five hundred twenty".