1455666 has 24 divisors (see below), whose sum is σ = 3091920. Its totient is φ = 455616.

The previous prime is 1455661. The next prime is 1455673. The reversal of 1455666 is 6665541.

It is a Curzon number.

It is a plaindrome in base 10.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1455661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12826 + ... + 12938.

It is an arithmetic number, because the mean of its divisors is an integer number (128830).

2^1455666 is an apocalyptic number.

1455666 is an abundant number, since it is smaller than the sum of its proper divisors (1636254).

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

1455666 is a wasteful number, since it uses less digits than its factorization.

1455666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 137 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 1455666 is about 1206.5098424795. The cubic root of 1455666 is about 113.3323548551.

The spelling of 1455666 in words is "one million, four hundred fifty-five thousand, six hundred sixty-six".