16245378 has 12 divisors (see below), whose sum is σ = 35198358. Its totient is φ = 5415120.

The previous prime is 16245377. The next prime is 16245379. The reversal of 16245378 is 87354261.

It is an interprime number because it is at equal distance from previous prime (16245377) and next prime (16245379).

It can be written as a sum of positive squares in only one way, i.e., 14265729 + 1979649 = 3777^2 + 1407^2 .

It is not an unprimeable number, because it can be changed into a prime (16245371) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 451243 + ... + 451278.

Almost surely, 2^16245378 is an apocalyptic number.

16245378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16245378 is an abundant number, since it is smaller than the sum of its proper divisors (18952980).

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

16245378 is a wasteful number, since it uses less digits than its factorization.

16245378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902529 (or 902526 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 16245378 is about 4030.5555448350. Note that the first 4 decimals coincide. The cubic root of 16245378 is about 253.2658342022.

The spelling of 16245378 in words is "sixteen million, two hundred forty-five thousand, three hundred seventy-eight".