90655345 has 16 divisors (see below), whose sum is σ = 118972800. Its totient is φ = 65766400.

The previous prime is 90655321. The next prime is 90655349. The reversal of 90655345 is 54355609.

It is not a de Polignac number, because 90655345 - 2¹⁹ = 90131057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90655349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22860 + ... + 26530.

It is an arithmetic number, because the mean of its divisors is an integer number (7435800).

Almost surely, 2^90655345 is an apocalyptic number.

It is an amenable number.

90655345 is a deficient number, since it is larger than the sum of its proper divisors (28317455).

90655345 is a wasteful number, since it uses less digits than its factorization.

90655345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 90655345 is about 9521.3100464169. The cubic root of 90655345 is about 449.2255733663.

The spelling of 90655345 in words is "ninety million, six hundred fifty-five thousand, three hundred forty-five".