1145286571 has 32 divisors (see below), whose sum is σ = 1369509120. Its totient is φ = 944112000.

The previous prime is 1145286551. The next prime is 1145286581. The reversal of 1145286571 is 1756825411.

It is not a de Polignac number, because 1145286571 - 2⁹ = 1145286059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145286521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2585076 + ... + 2585518.

It is an arithmetic number, because the mean of its divisors is an integer number (42797160).

Almost surely, 2^1145286571 is an apocalyptic number.

1145286571 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1145286571 is a deficient number, since it is larger than the sum of its proper divisors (224222549).

1145286571 is a wasteful number, since it uses less digits than its factorization.

1145286571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747.

The product of its digits is 67200, while the sum is 40.

The square root of 1145286571 is about 33842.0828407473. The cubic root of 1145286571 is about 1046.2562278482.

The spelling of 1145286571 in words is "one billion, one hundred forty-five million, two hundred eighty-six thousand, five hundred seventy-one".