245532766 has 4 divisors (see below), whose sum is σ = 368299152. Its totient is φ = 122766382.

The previous prime is 245532733. The next prime is 245532769. The reversal of 245532766 is 667235542.

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

It is a super-2 number, since 2×245532766² = 120572678359221512, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245532769) 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 as a sum of consecutive naturals, namely, 61383190 + ... + 61383193.

It is an arithmetic number, because the mean of its divisors is an integer number (92074788).

Almost surely, 2^245532766 is an apocalyptic number.

245532766 is a deficient number, since it is larger than the sum of its proper divisors (122766386).

245532766 is a wasteful number, since it uses less digits than its factorization.

245532766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122766385.

The product of its digits is 302400, while the sum is 40.

The square root of 245532766 is about 15669.4851861827. The cubic root of 245532766 is about 626.1857094465.

The spelling of 245532766 in words is "two hundred forty-five million, five hundred thirty-two thousand, seven hundred sixty-six".