1145513145 has 32 divisors (see below), whose sum is σ = 2145749760. Its totient is φ = 510888960.

The previous prime is 1145513123. The next prime is 1145513167. The reversal of 1145513145 is 5413155411.

It is an interprime number because it is at equal distance from previous prime (1145513123) and next prime (1145513167).

It is not a de Polignac number, because 1145513145 - 2⁸ = 1145512889 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128740 + ... + 137349.

It is an arithmetic number, because the mean of its divisors is an integer number (67054680).

Almost surely, 2^1145513145 is an apocalyptic number.

1145513145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145513145 is a deficient number, since it is larger than the sum of its proper divisors (1000236615).

1145513145 is a wasteful number, since it uses less digits than its factorization.

1145513145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266145.

The product of its digits is 6000, while the sum is 30.

The square root of 1145513145 is about 33845.4301937499. The cubic root of 1145513145 is about 1046.3252175182.

Adding to 1145513145 its reverse (5413155411), we get a palindrome (6558668556).

The spelling of 1145513145 in words is "one billion, one hundred forty-five million, five hundred thirteen thousand, one hundred forty-five".