245650290 has 32 divisors (see below), whose sum is σ = 590417856. Its totient is φ = 65411520.

The previous prime is 245650277. The next prime is 245650303. The reversal of 245650290 is 92056542.

245650290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245650277) and next prime (245650303).

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, 16405 + ... + 27575.

It is an arithmetic number, because the mean of its divisors is an integer number (18450558).

Almost surely, 2^245650290 is an apocalyptic number.

245650290 is an abundant number, since it is smaller than the sum of its proper divisors (344767566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245650290 is a wasteful number, since it uses less digits than its factorization.

245650290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11914.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 245650290 is about 15673.2348288412. The cubic root of 245650290 is about 626.2856012207.

The spelling of 245650290 in words is "two hundred forty-five million, six hundred fifty thousand, two hundred ninety".