245690648 has 32 divisors (see below), whose sum is σ = 538728960. Its totient is φ = 102846240.

The previous prime is 245690633. The next prime is 245690671. The reversal of 245690648 is 846096542.

It is a super-3 number, since 3×245690648³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245690599 and 245690608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48608 + ... + 53423.

It is an arithmetic number, because the mean of its divisors is an integer number (16835280).

Almost surely, 2^245690648 is an apocalyptic number.

245690648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

245690648 is an abundant number, since it is smaller than the sum of its proper divisors (293038312).

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

245690648 is a wasteful number, since it uses less digits than its factorization.

245690648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102087 (or 102083 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 245690648 is about 15674.5222574725. The cubic root of 245690648 is about 626.3198969265.

The spelling of 245690648 in words is "two hundred forty-five million, six hundred ninety thousand, six hundred forty-eight".