245042066 has 8 divisors (see below), whose sum is σ = 368738364. Its totient is φ = 122129280.

The previous prime is 245042041. The next prime is 245042081. The reversal of 245042066 is 660240542.

245042066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 203889841 + 41152225 = 14279^2 + 6415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×245042066² = 120091228219096712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195095 + ... + 196346.

Almost surely, 2^245042066 is an apocalyptic number.

245042066 is a deficient number, since it is larger than the sum of its proper divisors (123696298).

245042066 is a wasteful number, since it uses less digits than its factorization.

245042066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391756.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 245042066 is about 15653.8195339029. The cubic root of 245042066 is about 625.7682848478.

The spelling of 245042066 in words is "two hundred forty-five million, forty-two thousand, sixty-six".