90244143901 has 16 divisors (see below), whose sum is σ = 95959378944. Its totient is φ = 84574404864.

The previous prime is 90244143893. The next prime is 90244143919. The reversal of 90244143901 is 10934144209.

It is not a de Polignac number, because 90244143901 - 2³ = 90244143893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90244143931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16687540 + ... + 16692946.

It is an arithmetic number, because the mean of its divisors is an integer number (5997461184).

Almost surely, 2^90244143901 is an apocalyptic number.

It is an amenable number.

90244143901 is a deficient number, since it is larger than the sum of its proper divisors (5715235043).

90244143901 is a wasteful number, since it uses less digits than its factorization.

90244143901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9420.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 90244143901 in words is "ninety billion, two hundred forty-four million, one hundred forty-three thousand, nine hundred one".