245743055 has 8 divisors (see below), whose sum is σ = 310412400. Its totient is φ = 186247296.

The previous prime is 245743051. The next prime is 245743061. The reversal of 245743055 is 550347542.

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 245743055 - 2² = 245743051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245743051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293290 + ... + 1293479.

It is an arithmetic number, because the mean of its divisors is an integer number (38801550).

Almost surely, 2^245743055 is an apocalyptic number.

245743055 is a deficient number, since it is larger than the sum of its proper divisors (64669345).

245743055 is a wasteful number, since it uses less digits than its factorization.

245743055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586793.

The product of its (nonzero) digits is 84000, while the sum is 35.

The square root of 245743055 is about 15676.1938939272. The cubic root of 245743055 is about 626.3644261120.

The spelling of 245743055 in words is "two hundred forty-five million, seven hundred forty-three thousand, fifty-five".