1145646 has 12 divisors (see below), whose sum is σ = 2482272. Its totient is φ = 381876.

The previous prime is 1145623. The next prime is 1145659. The reversal of 1145646 is 6465411.

1145646 is a `hidden beast` number, since 1 + 14 + 5 + 646 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31806 + ... + 31841.

It is an arithmetic number, because the mean of its divisors is an integer number (206856).

2^1145646 is an apocalyptic number.

1145646 is an abundant number, since it is smaller than the sum of its proper divisors (1336626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145646 is a wasteful number, since it uses less digits than its factorization.

1145646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63655 (or 63652 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1145646 is about 1070.3485413640. The cubic root of 1145646 is about 104.6365666396.

The spelling of 1145646 in words is "one million, one hundred forty-five thousand, six hundred forty-six".