245988772 has 12 divisors (see below), whose sum is σ = 449197056. Its totient is φ = 117646760.

The previous prime is 245988739. The next prime is 245988779. The reversal of 245988772 is 277889542.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (245988779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336804 + ... + 1336987.

It is an arithmetic number, because the mean of its divisors is an integer number (37433088).

Almost surely, 2^245988772 is an apocalyptic number.

It is an amenable number.

245988772 is a deficient number, since it is larger than the sum of its proper divisors (203208284).

245988772 is a wasteful number, since it uses less digits than its factorization.

245988772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673818 (or 2673816 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 52.

The square root of 245988772 is about 15684.0292017071. The cubic root of 245988772 is about 626.5731225745.

The spelling of 245988772 in words is "two hundred forty-five million, nine hundred eighty-eight thousand, seven hundred seventy-two".