245478375 has 48 divisors (see below), whose sum is σ = 446662944. Its totient is φ = 129696000.

The previous prime is 245478361. The next prime is 245478383. The reversal of 245478375 is 573874542.

245478375 is a `hidden beast` number, since 24 + 547 + 83 + 7 + 5 = 666.

It is not a de Polignac number, because 245478375 - 2¹⁷ = 245347303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 245478375.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126160 + ... + 128090.

It is an arithmetic number, because the mean of its divisors is an integer number (9305478).

Almost surely, 2^245478375 is an apocalyptic number.

245478375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

245478375 is a deficient number, since it is larger than the sum of its proper divisors (201184569).

245478375 is a wasteful number, since it uses less digits than its factorization.

245478375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 2052 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 245478375 is about 15667.7495193151. The cubic root of 245478375 is about 626.1394679845.

The spelling of 245478375 in words is "two hundred forty-five million, four hundred seventy-eight thousand, three hundred seventy-five".