90152522 has 8 divisors (see below), whose sum is σ = 138527172. Its totient is φ = 43976800.

The previous prime is 90152521. The next prime is 90152539. The reversal of 90152522 is 22525109.

It can be written as a sum of positive squares in 2 ways, for example, as 90079081 + 73441 = 9491^2 + 271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 90152491 and 90152500.

It is not an unprimeable number, because it can be changed into a prime (90152521) 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, 549629 + ... + 549792.

Almost surely, 2^90152522 is an apocalyptic number.

90152522 is a deficient number, since it is larger than the sum of its proper divisors (48374650).

90152522 is a wasteful number, since it uses less digits than its factorization.

90152522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099464.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 90152522 is about 9494.8681928713. The cubic root of 90152522 is about 448.3934846794.

The spelling of 90152522 in words is "ninety million, one hundred fifty-two thousand, five hundred twenty-two".