90451245033 has 12 divisors (see below), whose sum is σ = 130786921408. Its totient is φ = 60238465560.

The previous prime is 90451245019. The next prime is 90451245043. The reversal of 90451245033 is 33054215409.

90451245033 is a `hidden beast` number, since 90 + 4 + 512 + 4 + 50 + 3 + 3 = 666.

It is not a de Polignac number, because 90451245033 - 2¹⁸ = 90450982889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90451245043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5187853 + ... + 5205258.

Almost surely, 2^90451245033 is an apocalyptic number.

It is an amenable number.

90451245033 is a deficient number, since it is larger than the sum of its proper divisors (40335676375).

90451245033 is a wasteful number, since it uses less digits than its factorization.

90451245033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10394084 (or 10394081 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 90451245033 in words is "ninety billion, four hundred fifty-one million, two hundred forty-five thousand, thirty-three".