245134040 has 16 divisors (see below), whose sum is σ = 551551680. Its totient is φ = 98053600.

The previous prime is 245134037. The next prime is 245134049. The reversal of 245134040 is 40431542.

It is a junction number, because it is equal to n+sod(n) for n = 245133997 and 245134015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245134049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3064136 + ... + 3064215.

It is an arithmetic number, because the mean of its divisors is an integer number (34471980).

Almost surely, 2^245134040 is an apocalyptic number.

245134040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245134040 is an abundant number, since it is smaller than the sum of its proper divisors (306417640).

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

245134040 is a wasteful number, since it uses less digits than its factorization.

245134040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128362 (or 6128358 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 245134040 is about 15656.7570077587. The cubic root of 245134040 is about 625.8465669347.

Adding to 245134040 its reverse (40431542), we get a palindrome (285565582).

The spelling of 245134040 in words is "two hundred forty-five million, one hundred thirty-four thousand, forty".