90045095044 has 6 divisors (see below), whose sum is σ = 157578916334. Its totient is φ = 45022547520.

The previous prime is 90045095027. The next prime is 90045095047. The reversal of 90045095044 is 44059054009.

It can be written as a sum of positive squares in only one way, i.e., 49156210944 + 40888884100 = 221712^2 + 202210^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90045094988 and 90045095006.

It is not an unprimeable number, because it can be changed into a prime (90045095047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11255636877 + ... + 11255636884.

Almost surely, 2^90045095044 is an apocalyptic number.

It is an amenable number.

90045095044 is a deficient number, since it is larger than the sum of its proper divisors (67533821290).

90045095044 is a wasteful number, since it uses less digits than its factorization.

90045095044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22511273765 (or 22511273763 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 90045095044 in words is "ninety billion, forty-five million, ninety-five thousand, forty-four".