90081409143 has 16 divisors (see below), whose sum is σ = 137923689600. Its totient is φ = 51721382880.

The previous prime is 90081409141. The next prime is 90081409147. The reversal of 90081409143 is 34190418009.

It is not a de Polignac number, because 90081409143 - 2¹ = 90081409141 is a prime.

It is a super-2 number, since 2×90081409143² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90081409141) 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, 71834628 + ... + 71835881.

It is an arithmetic number, because the mean of its divisors is an integer number (8620230600).

Almost surely, 2^90081409143 is an apocalyptic number.

90081409143 is a deficient number, since it is larger than the sum of its proper divisors (47842280457).

90081409143 is a wasteful number, since it uses less digits than its factorization.

90081409143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143670542.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 90081409143 in words is "ninety billion, eighty-one million, four hundred nine thousand, one hundred forty-three".