1453405503 has 16 divisors (see below), whose sum is σ = 2133806976. Its totient is φ = 872617440.

The previous prime is 1453405493. The next prime is 1453405507. The reversal of 1453405503 is 3055043541.

It is not a de Polignac number, because 1453405503 - 2⁶ = 1453405439 is a prime.

It is a super-2 number, since 2×1453405503² = 4224775112301366018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453405507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202276 + ... + 209337.

It is an arithmetic number, because the mean of its divisors is an integer number (133362936).

Almost surely, 2^1453405503 is an apocalyptic number.

1453405503 is a deficient number, since it is larger than the sum of its proper divisors (680401473).

1453405503 is a wasteful number, since it uses less digits than its factorization.

1453405503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411734.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1453405503 is about 38123.5557496937. Note that the first 3 decimals coincide. The cubic root of 1453405503 is about 1132.7366003234.

The spelling of 1453405503 in words is "one billion, four hundred fifty-three million, four hundred five thousand, five hundred three".