245215480 has 32 divisors (see below), whose sum is σ = 584191440. Its totient is φ = 92316160.

The previous prime is 245215357. The next prime is 245215507. The reversal of 245215480 is 84512542.

245215480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179626 + ... + 180985.

Almost surely, 2^245215480 is an apocalyptic number.

245215480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245215480 is an abundant number, since it is smaller than the sum of its proper divisors (338975960).

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

245215480 is a wasteful number, since it uses less digits than its factorization.

245215480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360639 (or 360635 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 245215480 is about 15659.3575858015. The cubic root of 245215480 is about 625.9158668451.

The spelling of 245215480 in words is "two hundred forty-five million, two hundred fifteen thousand, four hundred eighty".