90450603 has 12 divisors (see below), whose sum is σ = 132601768. Its totient is φ = 59400000.

The previous prime is 90450593. The next prime is 90450641. The reversal of 90450603 is 30605409.

It is a happy number.

90450603 is a `hidden beast` number, since 9 + 0 + 4 + 50 + 603 = 666.

It is not a de Polignac number, because 90450603 - 2⁵ = 90450571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90450103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74398 + ... + 75603.

Almost surely, 2^90450603 is an apocalyptic number.

90450603 is a deficient number, since it is larger than the sum of its proper divisors (42151165).

90450603 is a wasteful number, since it uses less digits than its factorization.

90450603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150074 (or 150071 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 90450603 is about 9510.5521921705. The cubic root of 90450603 is about 448.8871315811.

The spelling of 90450603 in words is "ninety million, four hundred fifty thousand, six hundred three".