245383146 has 48 divisors (see below), whose sum is σ = 549244800. Its totient is φ = 79130304.

The previous prime is 245383139. The next prime is 245383147. The reversal of 245383146 is 641383542.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 245383146.

It is not an unprimeable number, because it can be changed into a prime (245383147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73665 + ... + 76923.

It is an arithmetic number, because the mean of its divisors is an integer number (11442600).

Almost surely, 2^245383146 is an apocalyptic number.

245383146 is an abundant number, since it is smaller than the sum of its proper divisors (303861654).

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

245383146 is a wasteful number, since it uses less digits than its factorization.

245383146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403 (or 3400 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 245383146 is about 15664.7102111721. The cubic root of 245383146 is about 626.0584909298.

The spelling of 245383146 in words is "two hundred forty-five million, three hundred eighty-three thousand, one hundred forty-six".