1481554 has 8 divisors (see below), whose sum is σ = 2282508. Its totient is φ = 720720.

The previous prime is 1481551. The next prime is 1481573. The reversal of 1481554 is 4551841.

It can be written as a sum of positive squares in 2 ways, for example, as 1476225 + 5329 = 1215^2 + 73^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1481551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9937 + ... + 10084.

2^1481554 is an apocalyptic number.

1481554 is a deficient number, since it is larger than the sum of its proper divisors (800954).

1481554 is a wasteful number, since it uses less digits than its factorization.

1481554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20060.

The product of its digits is 3200, while the sum is 28.

The square root of 1481554 is about 1217.1910285571. The cubic root of 1481554 is about 114.0002564886. Note that the first 3 decimals are identical.

The spelling of 1481554 in words is "one million, four hundred eighty-one thousand, five hundred fifty-four".