90273152 has 16 divisors (see below), whose sum is σ = 179841300. Its totient is φ = 45136512.

The previous prime is 90273121. The next prime is 90273167. The reversal of 90273152 is 25137209.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352502 + ... + 352757.

Almost surely, 2^90273152 is an apocalyptic number.

It is an amenable number.

90273152 is a deficient number, since it is larger than the sum of its proper divisors (89568148).

90273152 is an equidigital number, since it uses as much as digits as its factorization.

90273152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705273 (or 705261 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 90273152 is about 9501.2184481781. The cubic root of 90273152 is about 448.5933888625.

The spelling of 90273152 in words is "ninety million, two hundred seventy-three thousand, one hundred fifty-two".