90192143 has 2 divisors, whose sum is σ = 90192144. Its totient is φ = 90192142.

The previous prime is 90192133. The next prime is 90192163. The reversal of 90192143 is 34129109.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90192143 - 2¹² = 90188047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90192133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45096071 + 45096072.

It is an arithmetic number, because the mean of its divisors is an integer number (45096072).

Almost surely, 2^90192143 is an apocalyptic number.

90192143 is a deficient number, since it is larger than the sum of its proper divisors (1).

90192143 is an equidigital number, since it uses as much as digits as its factorization.

90192143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 90192143 is about 9496.9544065453. The cubic root of 90192143 is about 448.4591629909.

The spelling of 90192143 in words is "ninety million, one hundred ninety-two thousand, one hundred forty-three".