283378245 has 32 divisors (see below), whose sum is σ = 462708480. Its totient is φ = 148055040.

The previous prime is 283378241. The next prime is 283378259. The reversal of 283378245 is 542873382.

It is not a de Polignac number, because 283378245 - 2² = 283378241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 283378197 and 283378206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283378241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307896 + ... + 308814.

It is an arithmetic number, because the mean of its divisors is an integer number (14459640).

Almost surely, 2^283378245 is an apocalyptic number.

It is an amenable number.

283378245 is a deficient number, since it is larger than the sum of its proper divisors (179330235).

283378245 is a wasteful number, since it uses less digits than its factorization.

283378245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325.

The product of its digits is 322560, while the sum is 42.

The square root of 283378245 is about 16833.8422530330. The cubic root of 283378245 is about 656.8338137157.

The spelling of 283378245 in words is "two hundred eighty-three million, three hundred seventy-eight thousand, two hundred forty-five".