1481445 has 24 divisors (see below), whose sum is σ = 2935296. Its totient is φ = 677088.

The previous prime is 1481413. The next prime is 1481477. The reversal of 1481445 is 5441841.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1481413) and next prime (1481477).

It is not a de Polignac number, because 1481445 - 2⁵ = 1481413 is a prime.

It is a Curzon number.

1481445 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2037 + ... + 2666.

It is an arithmetic number, because the mean of its divisors is an integer number (122304).

2^1481445 is an apocalyptic number.

1481445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1481445 is a deficient number, since it is larger than the sum of its proper divisors (1453851).

1481445 is a wasteful number, since it uses less digits than its factorization.

1481445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721 (or 4718 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1481445 is about 1217.1462525104. The cubic root of 1481445 is about 113.9974607006.

The spelling of 1481445 in words is "one million, four hundred eighty-one thousand, four hundred forty-five".