90450103 has 2 divisors, whose sum is σ = 90450104. Its totient is φ = 90450102.

The previous prime is 90450083. The next prime is 90450119. The reversal of 90450103 is 30105409.

It is a strong prime.

It is an emirp because it is prime and its reverse (30105409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90450103 - 2⁵ = 90450071 is a prime.

It is a super-2 number, since 2×90450103² = 16362442265421218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90450403) 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 as a sum of consecutive naturals, namely, 45225051 + 45225052.

It is an arithmetic number, because the mean of its divisors is an integer number (45225052).

Almost surely, 2^90450103 is an apocalyptic number.

90450103 is a deficient number, since it is larger than the sum of its proper divisors (1).

90450103 is an equidigital number, since it uses as much as digits as its factorization.

90450103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 90450103 is about 9510.5259055428. The cubic root of 90450103 is about 448.8863044483.

The spelling of 90450103 in words is "ninety million, four hundred fifty thousand, one hundred three".