1145016531 has 24 divisors (see below), whose sum is σ = 1669362240. Its totient is φ = 756238896.

The previous prime is 1145016529. The next prime is 1145016539. The reversal of 1145016531 is 1356105411.

1145016531 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 0 + 1 + 653 + 1 = 666.

It is not a de Polignac number, because 1145016531 - 2¹ = 1145016529 is a prime.

It is a super-2 number, since 2×1145016531² = 2622125712526547922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145016495 and 1145016504.

It is not an unprimeable number, because it can be changed into a prime (1145016539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 983956 + ... + 985118.

It is an arithmetic number, because the mean of its divisors is an integer number (69556760).

Almost surely, 2^1145016531 is an apocalyptic number.

1145016531 is a deficient number, since it is larger than the sum of its proper divisors (524345709).

1145016531 is a wasteful number, since it uses less digits than its factorization.

1145016531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1145016531 is about 33838.0928983889. The cubic root of 1145016531 is about 1046.1739913008.

The spelling of 1145016531 in words is "one billion, one hundred forty-five million, sixteen thousand, five hundred thirty-one".