90616945 has 8 divisors (see below), whose sum is σ = 110272320. Its totient is φ = 71472240.

The previous prime is 90616931. The next prime is 90616957. The reversal of 90616945 is 54961609.

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

It is not a de Polignac number, because 90616945 - 2¹¹ = 90614897 is a prime.

It is a super-2 number, since 2×90616945² = 16422861442266050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90616898 and 90616907.

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, 127275 + ... + 127984.

It is an arithmetic number, because the mean of its divisors is an integer number (13784040).

Almost surely, 2^90616945 is an apocalyptic number.

It is an amenable number.

90616945 is a deficient number, since it is larger than the sum of its proper divisors (19655375).

90616945 is a wasteful number, since it uses less digits than its factorization.

90616945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255335.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 90616945 is about 9519.2933036019. The cubic root of 90616945 is about 449.1621364072.

The spelling of 90616945 in words is "ninety million, six hundred sixteen thousand, nine hundred forty-five".