245470066 has 4 divisors (see below), whose sum is σ = 368205102. Its totient is φ = 122735032.

The previous prime is 245470061. The next prime is 245470067. The reversal of 245470066 is 660074542.

245470066 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., 245392225 + 77841 = 15665^2 + 279^2 .

It is not an unprimeable number, because it can be changed into a prime (245470061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61367515 + ... + 61367518.

Almost surely, 2^245470066 is an apocalyptic number.

245470066 is a deficient number, since it is larger than the sum of its proper divisors (122735036).

245470066 is a wasteful number, since it uses less digits than its factorization.

245470066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122735035.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 245470066 is about 15667.4843545478. The cubic root of 245470066 is about 626.1324033411.

The spelling of 245470066 in words is "two hundred forty-five million, four hundred seventy thousand, sixty-six".