90537143 has 8 divisors (see below), whose sum is σ = 95738496. Its totient is φ = 85478400.

The previous prime is 90537137. The next prime is 90537151. The reversal of 90537143 is 34173509.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90537143 - 2¹⁶ = 90471607 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 (90537133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34346 + ... + 36887.

It is an arithmetic number, because the mean of its divisors is an integer number (11967312).

Almost surely, 2^90537143 is an apocalyptic number.

90537143 is a deficient number, since it is larger than the sum of its proper divisors (5201353).

90537143 is a wasteful number, since it uses less digits than its factorization.

90537143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71305.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 90537143 is about 9515.1007876953. The cubic root of 90537143 is about 449.0302458283.

The spelling of 90537143 in words is "ninety million, five hundred thirty-seven thousand, one hundred forty-three".