90452 has 6 divisors (see below), whose sum is σ = 158298. Its totient is φ = 45224.

The previous prime is 90439. The next prime is 90469. The reversal of 90452 is 25409.

It can be written as a sum of positive squares in only one way, i.e., 75076 + 15376 = 274^2 + 124^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11303 + ... + 11310.

It is an arithmetic number, because the mean of its divisors is an integer number (26383).

2⁹⁰⁴⁵² is an apocalyptic number.

It is an amenable number.

90452 is a deficient number, since it is larger than the sum of its proper divisors (67846).

90452 is a wasteful number, since it uses less digits than its factorization.

90452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22617 (or 22615 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 90452 is about 300.7523898492. The cubic root of 90452 is about 44.8889442574. Note that the first 3 decimals are identical.

The spelling of 90452 in words is "ninety thousand, four hundred fifty-two".