245582090 has 32 divisors (see below), whose sum is σ = 479561040. Its totient is φ = 90008064.

The previous prime is 245582089. The next prime is 245582101. The reversal of 245582090 is 90285542.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 143592289 + 101989801 = 11983^2 + 10099^2 .

It is a Curzon number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 245582090.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10916 + ... + 24704.

Almost surely, 2^245582090 is an apocalyptic number.

245582090 is a deficient number, since it is larger than the sum of its proper divisors (233978950).

245582090 is a wasteful number, since it uses less digits than its factorization.

245582090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13946.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 245582090 is about 15671.0589942097. The cubic root of 245582090 is about 626.2276372056.

The spelling of 245582090 in words is "two hundred forty-five million, five hundred eighty-two thousand, ninety".