245420328 has 32 divisors (see below), whose sum is σ = 614259360. Its totient is φ = 81712320.

The previous prime is 245420317. The next prime is 245420339. The reversal of 245420328 is 823024542.

It is an interprime number because it is at equal distance from previous prime (245420317) and next prime (245420339).

It is a super-2 number, since 2×245420328² = 120462274791255168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245420295 and 245420304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17151 + ... + 28017.

It is an arithmetic number, because the mean of its divisors is an integer number (19195605).

Almost surely, 2^245420328 is an apocalyptic number.

It is an amenable number.

245420328 is an abundant number, since it is smaller than the sum of its proper divisors (368839032).

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

245420328 is a wasteful number, since it uses less digits than its factorization.

245420328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817 (or 11813 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 245420328 is about 15665.8969740006. The cubic root of 245420328 is about 626.0901107748.

The spelling of 245420328 in words is "two hundred forty-five million, four hundred twenty thousand, three hundred twenty-eight".