90502445 has 8 divisors (see below), whose sum is σ = 118476000. Its totient is φ = 65819920.

The previous prime is 90502439. The next prime is 90502463. The reversal of 90502445 is 54420509.

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 90502445 - 2²² = 86308141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822695 + ... + 822804.

It is an arithmetic number, because the mean of its divisors is an integer number (14809500).

Almost surely, 2^90502445 is an apocalyptic number.

It is an amenable number.

90502445 is a deficient number, since it is larger than the sum of its proper divisors (27973555).

90502445 is a wasteful number, since it uses less digits than its factorization.

90502445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645515.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 90502445 is about 9513.2773006993. The cubic root of 90502445 is about 448.9728754801.

The spelling of 90502445 in words is "ninety million, five hundred two thousand, four hundred forty-five".