90101044 has 24 divisors (see below), whose sum is σ = 173119968. Its totient is φ = 40691040.

The previous prime is 90101029. The next prime is 90101047. The reversal of 90101044 is 44010109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90101047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387 + ... + 13429.

It is an arithmetic number, because the mean of its divisors is an integer number (7213332).

Almost surely, 2^90101044 is an apocalyptic number.

It is an amenable number.

90101044 is a deficient number, since it is larger than the sum of its proper divisors (83018924).

90101044 is a wasteful number, since it uses less digits than its factorization.

90101044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13215 (or 13213 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 90101044 is about 9492.1569729962. The cubic root of 90101044 is about 448.3081226947.

The spelling of 90101044 in words is "ninety million, one hundred one thousand, forty-four".