245062666 has 4 divisors (see below), whose sum is σ = 367594002. Its totient is φ = 122531332.

The previous prime is 245062639. The next prime is 245062669. The reversal of 245062666 is 666260542.

It is a happy number.

245062666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 140920641 + 104142025 = 11871^2 + 10205^2 .

It is not an unprimeable number, because it can be changed into a prime (245062669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61265665 + ... + 61265668.

Almost surely, 2^245062666 is an apocalyptic number.

245062666 is a deficient number, since it is larger than the sum of its proper divisors (122531336).

245062666 is a wasteful number, since it uses less digits than its factorization.

245062666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122531335.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 245062666 is about 15654.4775064516. The cubic root of 245062666 is about 625.7858198853.

It can be divided in two parts, 24506 and 2666, that added together give a palindrome (27172).

The spelling of 245062666 in words is "two hundred forty-five million, sixty-two thousand, six hundred sixty-six".