90143353 has 4 divisors (see below), whose sum is σ = 94887760. Its totient is φ = 85398948.

The previous prime is 90143329. The next prime is 90143363. The reversal of 90143353 is 35334109.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90143353 - 2¹⁷ = 90012281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90143303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372175 + ... + 2372212.

It is an arithmetic number, because the mean of its divisors is an integer number (23721940).

Almost surely, 2^90143353 is an apocalyptic number.

It is an amenable number.

90143353 is a deficient number, since it is larger than the sum of its proper divisors (4744407).

90143353 is a wasteful number, since it uses less digits than its factorization.

90143353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744406.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 90143353 is about 9494.3853408212. The cubic root of 90143353 is about 448.3782828150.

The spelling of 90143353 in words is "ninety million, one hundred forty-three thousand, three hundred fifty-three".