245538066 has 16 divisors (see below), whose sum is σ = 492189984. Its totient is φ = 81660384.

The previous prime is 245538061. The next prime is 245538071. The reversal of 245538066 is 660835542.

It is an interprime number because it is at equal distance from previous prime (245538061) and next prime (245538071).

It is not an unprimeable number, because it can be changed into a prime (245538061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43531 + ... + 48846.

It is an arithmetic number, because the mean of its divisors is an integer number (30761874).

Almost surely, 2^245538066 is an apocalyptic number.

245538066 is an abundant number, since it is smaller than the sum of its proper divisors (246651918).

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

245538066 is a wasteful number, since it uses less digits than its factorization.

245538066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92825.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 245538066 is about 15669.6543037809. The cubic root of 245538066 is about 626.1902149692.

The spelling of 245538066 in words is "two hundred forty-five million, five hundred thirty-eight thousand, sixty-six".