90145635 has 8 divisors (see below), whose sum is σ = 144233040. Its totient is φ = 48077664.

The previous prime is 90145609. The next prime is 90145639. The reversal of 90145635 is 53654109.

It is a happy number.

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

It is not a de Polignac number, because 90145635 - 2⁸ = 90145379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90145596 and 90145605.

It is not an unprimeable number, because it can be changed into a prime (90145639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3004840 + ... + 3004869.

It is an arithmetic number, because the mean of its divisors is an integer number (18029130).

Almost surely, 2^90145635 is an apocalyptic number.

90145635 is a deficient number, since it is larger than the sum of its proper divisors (54087405).

90145635 is a wasteful number, since it uses less digits than its factorization.

90145635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009717.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 90145635 is about 9494.5055163500. The cubic root of 90145635 is about 448.3820663833.

The spelling of 90145635 in words is "ninety million, one hundred forty-five thousand, six hundred thirty-five".