1145814 has 36 divisors (see below), whose sum is σ = 2528316. Its totient is φ = 346104.

The previous prime is 1145803. The next prime is 1145831. The reversal of 1145814 is 4185411.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49807 + ... + 49829.

It is an arithmetic number, because the mean of its divisors is an integer number (70231).

2^1145814 is an apocalyptic number.

1145814 is an abundant number, since it is smaller than the sum of its proper divisors (1382502).

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

1145814 is a wasteful number, since it uses less digits than its factorization.

1145814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 47 counting only the distinct ones).

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

The square root of 1145814 is about 1070.4270175962. The cubic root of 1145814 is about 104.6416811002.

Multiplying 1145814 by its sum of digits (24), we get a square (27499536 = 5244²).

The spelling of 1145814 in words is "one million, one hundred forty-five thousand, eight hundred fourteen".