245349864 has 32 divisors (see below), whose sum is σ = 681528000. Its totient is φ = 81783216.

The previous prime is 245349859. The next prime is 245349877. The reversal of 245349864 is 468943542.

245349864 is a `hidden beast` number, since 24 + 534 + 98 + 6 + 4 = 666.

It is an unprimeable number.

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, 567724 + ... + 568155.

It is an arithmetic number, because the mean of its divisors is an integer number (21297750).

Almost surely, 2^245349864 is an apocalyptic number.

245349864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245349864 is an abundant number, since it is smaller than the sum of its proper divisors (436178136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245349864 is a wasteful number, since it uses less digits than its factorization.

245349864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135894 (or 1135884 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 245349864 is about 15663.6478509956. The cubic root of 245349864 is about 626.0301849640.

The spelling of 245349864 in words is "two hundred forty-five million, three hundred forty-nine thousand, eight hundred sixty-four".