90235055032143 has 64 divisors (see below), whose sum is σ = 141338713715712. Its totient is φ = 50126172364800.

The previous prime is 90235055032139. The next prime is 90235055032181. The reversal of 90235055032143 is 34123055053209.

It is a happy number.

It is not a de Polignac number, because 90235055032143 - 2² = 90235055032139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90235055032095 and 90235055032104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90235055032043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10067501380 + ... + 10067510342.

It is an arithmetic number, because the mean of its divisors is an integer number (2208417401808).

Almost surely, 2^{90235055032143} is an apocalyptic number.

90235055032143 is a deficient number, since it is larger than the sum of its proper divisors (51103658683569).

90235055032143 is a wasteful number, since it uses less digits than its factorization.

90235055032143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18704.

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 90235055032143 in words is "ninety trillion, two hundred thirty-five billion, fifty-five million, thirty-two thousand, one hundred forty-three".