90143106 has 32 divisors (see below), whose sum is σ = 191678400. Its totient is φ = 28180800.

The previous prime is 90143099. The next prime is 90143143. The reversal of 90143106 is 60134109.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7600 + ... + 15428.

It is an arithmetic number, because the mean of its divisors is an integer number (5989950).

Almost surely, 2^90143106 is an apocalyptic number.

90143106 is an abundant number, since it is smaller than the sum of its proper divisors (101535294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90143106 is a wasteful number, since it uses less digits than its factorization.

90143106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7954.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 90143106 is about 9494.3723331245. The cubic root of 90143106 is about 448.3778732838.

The spelling of 90143106 in words is "ninety million, one hundred forty-three thousand, one hundred six".