245747774 has 8 divisors (see below), whose sum is σ = 368833080. Its totient is φ = 122803416.

The previous prime is 245747773. The next prime is 245747783. The reversal of 245747774 is 477747542.

245747774 is digitally balanced in base 3, 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (245747771) 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, 30764 + ... + 37919.

It is an arithmetic number, because the mean of its divisors is an integer number (46104135).

Almost surely, 2^245747774 is an apocalyptic number.

245747774 is a deficient number, since it is larger than the sum of its proper divisors (123085306).

245747774 is a wasteful number, since it uses less digits than its factorization.

245747774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70474.

The product of its digits is 1536640, while the sum is 47.

The square root of 245747774 is about 15676.3444080564. The cubic root of 245747774 is about 626.3684354417.

The spelling of 245747774 in words is "two hundred forty-five million, seven hundred forty-seven thousand, seven hundred seventy-four".