1145481 has 16 divisors (see below), whose sum is σ = 1605120. Its totient is φ = 725760.

The previous prime is 1145479. The next prime is 1145497. The reversal of 1145481 is 1845411.

It is not a de Polignac number, because 1145481 - 2¹ = 1145479 is a prime.

It is a super-2 number, since 2×1145481² = 2624253442722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10081 + ... + 10193.

It is an arithmetic number, because the mean of its divisors is an integer number (100320).

2^1145481 is an apocalyptic number.

It is an amenable number.

1145481 is a deficient number, since it is larger than the sum of its proper divisors (459639).

1145481 is a wasteful number, since it uses less digits than its factorization.

1145481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256.

The product of its digits is 640, while the sum is 24.

The square root of 1145481 is about 1070.2714608920. The cubic root of 1145481 is about 104.6315430219.

The spelling of 1145481 in words is "one million, one hundred forty-five thousand, four hundred eighty-one".