245421160 has 24 divisors (see below), whose sum is σ = 552420630. Its totient is φ = 98128832.

The previous prime is 245421131. The next prime is 245421181. The reversal of 245421160 is 61124542.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 196728676 + 48692484 = 14026^2 + 6978^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97842 + ... + 100318.

Almost surely, 2^245421160 is an apocalyptic number.

245421160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245421160 is an abundant number, since it is smaller than the sum of its proper divisors (306999470).

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

245421160 is an frugal number, since it uses more digits than its factorization.

245421160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 245421160 is about 15665.9235284742. The cubic root of 245421160 is about 626.0908182772.

The spelling of 245421160 in words is "two hundred forty-five million, four hundred twenty-one thousand, one hundred sixty".