245561662 has 16 divisors (see below), whose sum is σ = 404588160. Its totient is φ = 111260952.

The previous prime is 245561629. The next prime is 245561663. The reversal of 245561662 is 266165542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245561663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139608 + ... + 141355.

It is an arithmetic number, because the mean of its divisors is an integer number (25286760).

Almost surely, 2^245561662 is an apocalyptic number.

245561662 is a deficient number, since it is larger than the sum of its proper divisors (159026498).

245561662 is a wasteful number, since it uses less digits than its factorization.

245561662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281007.

The product of its digits is 86400, while the sum is 37.

The square root of 245561662 is about 15670.4072059408. The cubic root of 245561662 is about 626.2102731096.

The spelling of 245561662 in words is "two hundred forty-five million, five hundred sixty-one thousand, six hundred sixty-two".