245445601 has 8 divisors (see below), whose sum is σ = 248193920. Its totient is φ = 242704512.

The previous prime is 245445559. The next prime is 245445611. The reversal of 245445601 is 106544542.

It is a happy number.

245445601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245445601 - 2⁹ = 245445089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245445611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93361 + ... + 95953.

It is an arithmetic number, because the mean of its divisors is an integer number (31024240).

Almost surely, 2^245445601 is an apocalyptic number.

It is an amenable number.

245445601 is a deficient number, since it is larger than the sum of its proper divisors (2748319).

245445601 is a wasteful number, since it uses less digits than its factorization.

245445601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 245445601 is about 15666.7035779707. The cubic root of 245445601 is about 626.1116012960. Note that the first 3 decimals are identical.

The spelling of 245445601 in words is "two hundred forty-five million, four hundred forty-five thousand, six hundred one".