1453664 has 12 divisors (see below), whose sum is σ = 2861964. Its totient is φ = 726816.

The previous prime is 1453657. The next prime is 1453681. The reversal of 1453664 is 4663541.

It is a happy number.

It is a super-2 number, since 2×1453664² = 4226278049792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22682 + ... + 22745.

It is an arithmetic number, because the mean of its divisors is an integer number (238497).

2^1453664 is an apocalyptic number.

It is an amenable number.

1453664 is a deficient number, since it is larger than the sum of its proper divisors (1408300).

1453664 is an equidigital number, since it uses as much as digits as its factorization.

1453664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45437 (or 45429 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 1453664 is about 1205.6798911817. The cubic root of 1453664 is about 113.2803751038.

The spelling of 1453664 in words is "one million, four hundred fifty-three thousand, six hundred sixty-four".