1487345 has 4 divisors (see below), whose sum is σ = 1784820. Its totient is φ = 1189872.

The previous prime is 1487303. The next prime is 1487351. The reversal of 1487345 is 5437841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 303601 + 1183744 = 551^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 1487345 - 2¹⁰ = 1486321 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148730 + ... + 148739.

It is an arithmetic number, because the mean of its divisors is an integer number (446205).

2^1487345 is an apocalyptic number.

It is an amenable number.

1487345 is a deficient number, since it is larger than the sum of its proper divisors (297475).

1487345 is an equidigital number, since it uses as much as digits as its factorization.

1487345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297474.

The product of its digits is 13440, while the sum is 32.

The square root of 1487345 is about 1219.5675463048. The cubic root of 1487345 is about 114.1485955970.

The spelling of 1487345 in words is "one million, four hundred eighty-seven thousand, three hundred forty-five".