245477860 has 12 divisors (see below), whose sum is σ = 515503548. Its totient is φ = 98191136.

The previous prime is 245477839. The next prime is 245477861. The reversal of 245477860 is 68774542.

245477860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 93547584 + 151930276 = 9672^2 + 12326^2 .

It is not an unprimeable number, because it can be changed into a prime (245477861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6136927 + ... + 6136966.

It is an arithmetic number, because the mean of its divisors is an integer number (42958629).

Almost surely, 2^245477860 is an apocalyptic number.

245477860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245477860 is an abundant number, since it is smaller than the sum of its proper divisors (270025688).

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

245477860 is a wasteful number, since it uses less digits than its factorization.

245477860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12273902 (or 12273900 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 245477860 is about 15667.7330842723. The cubic root of 245477860 is about 626.1390301156.

The spelling of 245477860 in words is "two hundred forty-five million, four hundred seventy-seven thousand, eight hundred sixty".