1455003 has 40 divisors (see below), whose sum is σ = 2509056. Its totient is φ = 831600.

The previous prime is 1454993. The next prime is 1455007. The reversal of 1455003 is 3005541.

Added to its reverse (3005541) it gives a square (4460544 = 2112²).

It is not a de Polignac number, because 1455003 - 2⁴ = 1454987 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20458 + ... + 20528.

2^1455003 is an apocalyptic number.

1455003 is a deficient number, since it is larger than the sum of its proper divisors (1054053).

1455003 is a wasteful number, since it uses less digits than its factorization.

1455003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1455003 is about 1206.2350517208. The cubic root of 1455003 is about 113.3151460627.

Adding to 1455003 its reverse (3005541), we get a square (4460544 = 2112²).

The spelling of 1455003 in words is "one million, four hundred fifty-five thousand, three".