90245329 has 4 divisors (see below), whose sum is σ = 90264384. Its totient is φ = 90226276.

The previous prime is 90245321. The next prime is 90245339. The reversal of 90245329 is 92354209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90245329 - 2³ = 90245321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90245294 and 90245303.

It is not an unprimeable number, because it can be changed into a prime (90245321) 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, 3684 + ... + 13930.

It is an arithmetic number, because the mean of its divisors is an integer number (22566096).

Almost surely, 2^90245329 is an apocalyptic number.

It is an amenable number.

90245329 is a deficient number, since it is larger than the sum of its proper divisors (19055).

90245329 is a wasteful number, since it uses less digits than its factorization.

90245329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19054.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 90245329 is about 9499.7541547137. The cubic root of 90245329 is about 448.5472972835.

The spelling of 90245329 in words is "ninety million, two hundred forty-five thousand, three hundred twenty-nine".