90230044 has 12 divisors (see below), whose sum is σ = 160066144. Its totient is φ = 44496864.

The previous prime is 90230029. The next prime is 90230051. The reversal of 90230044 is 44003209.

It is a junction number, because it is equal to n+sod(n) for n = 90229997 and 90230024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154212 + ... + 154795.

Almost surely, 2^90230044 is an apocalyptic number.

It is an amenable number.

90230044 is a deficient number, since it is larger than the sum of its proper divisors (69836100).

90230044 is a wasteful number, since it uses less digits than its factorization.

90230044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309084 (or 309082 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 90230044 is about 9498.9496261429. The cubic root of 90230044 is about 448.5219721221.

The spelling of 90230044 in words is "ninety million, two hundred thirty thousand, forty-four".