1146285 has 32 divisors (see below), whose sum is σ = 2330880. Its totient is φ = 523584.

The previous prime is 1146281. The next prime is 1146307. The reversal of 1146285 is 5826411.

It is not a de Polignac number, because 1146285 - 2² = 1146281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1146285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146281) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 339 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (72840).

2^1146285 is an apocalyptic number.

1146285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1146285 is an abundant number, since it is smaller than the sum of its proper divisors (1184595).

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

1146285 is a wasteful number, since it uses less digits than its factorization.

1146285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1228 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1146285 is about 1070.6470006496. The cubic root of 1146285 is about 104.6560171908.

It can be divided in two parts, 1146 and 285, that added together give a triangular number (1431 = T₅₃).

The spelling of 1146285 in words is "one million, one hundred forty-six thousand, two hundred eighty-five".