245067140 has 24 divisors (see below), whose sum is σ = 515941272. Its totient is φ = 97779200.

The previous prime is 245067089. The next prime is 245067143. The reversal of 245067140 is 41760542.

It can be written as a sum of positive squares in 4 ways, for example, as 38167684 + 206899456 = 6178^2 + 14384^2 .

It is not an unprimeable number, because it can be changed into a prime (245067143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7259 + ... + 23298.

It is an arithmetic number, because the mean of its divisors is an integer number (21497553).

Almost surely, 2^245067140 is an apocalyptic number.

245067140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245067140 is an abundant number, since it is smaller than the sum of its proper divisors (270874132).

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

245067140 is a wasteful number, since it uses less digits than its factorization.

245067140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30967 (or 30965 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 245067140 is about 15654.6204042129. The cubic root of 245067140 is about 625.7896280932.

The spelling of 245067140 in words is "two hundred forty-five million, sixty-seven thousand, one hundred forty".