1145464533 has 48 divisors (see below), whose sum is σ = 1820332800. Its totient is φ = 691286400.

The previous prime is 1145464517. The next prime is 1145464547. The reversal of 1145464533 is 3354645411.

1145464533 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 4 + 645 + 3 + 3 = 666.

It is not a de Polignac number, because 1145464533 - 2⁴ = 1145464517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145464553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 499716 + ... + 502002.

It is an arithmetic number, because the mean of its divisors is an integer number (37923600).

Almost surely, 2^1145464533 is an apocalyptic number.

It is an amenable number.

1145464533 is a deficient number, since it is larger than the sum of its proper divisors (674868267).

1145464533 is a wasteful number, since it uses less digits than its factorization.

1145464533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2439 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 1145464533 is about 33844.7120389582. The cubic root of 1145464533 is about 1046.3104163841.

The spelling of 1145464533 in words is "one billion, one hundred forty-five million, four hundred sixty-four thousand, five hundred thirty-three".