90454075 has 6 divisors (see below), whose sum is σ = 112163084. Its totient is φ = 72363240.

The previous prime is 90454027. The next prime is 90454097. The reversal of 90454075 is 57045409.

It is not a de Polignac number, because 90454075 - 2⁷ = 90453947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90454075.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1809057 + ... + 1809106.

Almost surely, 2^90454075 is an apocalyptic number.

90454075 is a deficient number, since it is larger than the sum of its proper divisors (21709009).

90454075 is a wasteful number, since it uses less digits than its factorization.

90454075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618173 (or 3618168 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 90454075 is about 9510.7347245100. The cubic root of 90454075 is about 448.8928751071.

The spelling of 90454075 in words is "ninety million, four hundred fifty-four thousand, seventy-five".