1603455045 has 16 divisors (see below), whose sum is σ = 2716441920. Its totient is φ = 804871424.

The previous prime is 1603455031. The next prime is 1603455071. The reversal of 1603455045 is 5405543061.

It is a cyclic number.

It is not a de Polignac number, because 1603455045 - 2¹⁶ = 1603389509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1603454997 and 1603455015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3143775 + ... + 3144284.

It is an arithmetic number, because the mean of its divisors is an integer number (169777620).

Almost surely, 2^1603455045 is an apocalyptic number.

1603455045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1603455045 is a deficient number, since it is larger than the sum of its proper divisors (1112986875).

1603455045 is a wasteful number, since it uses less digits than its factorization.

1603455045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6288084.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 1603455045 is about 40043.1647725302. The cubic root of 1603455045 is about 1170.4483744273.

The spelling of 1603455045 in words is "one billion, six hundred three million, four hundred fifty-five thousand, forty-five".