1603225545 has 32 divisors (see below), whose sum is σ = 2779235712. Its totient is φ = 786035712.

The previous prime is 1603225537. The next prime is 1603225609. The reversal of 1603225545 is 5455223061.

It is not a de Polignac number, because 1603225545 - 2³ = 1603225537 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62142 + ... + 84071.

It is an arithmetic number, because the mean of its divisors is an integer number (86851116).

Almost surely, 2^1603225545 is an apocalyptic number.

1603225545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1603225545 is a deficient number, since it is larger than the sum of its proper divisors (1176010167).

1603225545 is a wasteful number, since it uses less digits than its factorization.

1603225545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146281.

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

The square root of 1603225545 is about 40040.2990123700. The cubic root of 1603225545 is about 1170.3925302843.

The spelling of 1603225545 in words is "one billion, six hundred three million, two hundred twenty-five thousand, five hundred forty-five".