245011240 has 16 divisors (see below), whose sum is σ = 551275380. Its totient is φ = 98004480.

The previous prime is 245011237. The next prime is 245011243. The reversal of 245011240 is 42110542.

It is an interprime number because it is at equal distance from previous prime (245011237) and next prime (245011243).

It can be written as a sum of positive squares in 2 ways, for example, as 230250276 + 14760964 = 15174^2 + 3842^2 .

It is not an unprimeable number, because it can be changed into a prime (245011243) 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 3 ways as a sum of consecutive naturals, for example, 3062601 + ... + 3062680.

Almost surely, 2^245011240 is an apocalyptic number.

245011240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245011240 is an abundant number, since it is smaller than the sum of its proper divisors (306264140).

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

245011240 is a wasteful number, since it uses less digits than its factorization.

245011240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125292 (or 6125288 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 245011240 is about 15652.8348870101. The cubic root of 245011240 is about 625.7420434458.

Adding to 245011240 its reverse (42110542), we get a palindrome (287121782).

The spelling of 245011240 in words is "two hundred forty-five million, eleven thousand, two hundred forty".