245661452 has 6 divisors (see below), whose sum is σ = 429907548. Its totient is φ = 122830724.

The previous prime is 245661439. The next prime is 245661467. The reversal of 245661452 is 254166542.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30707678 + ... + 30707685.

It is an arithmetic number, because the mean of its divisors is an integer number (71651258).

Almost surely, 2^245661452 is an apocalyptic number.

It is an amenable number.

245661452 is a deficient number, since it is larger than the sum of its proper divisors (184246096).

245661452 is a wasteful number, since it uses less digits than its factorization.

245661452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61415367 (or 61415365 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 245661452 is about 15673.5909095523. The cubic root of 245661452 is about 626.2950869195.

The spelling of 245661452 in words is "two hundred forty-five million, six hundred sixty-one thousand, four hundred fifty-two".