245332340 has 36 divisors (see below), whose sum is σ = 566297508. Its totient is φ = 89210880.

The previous prime is 245332337. The next prime is 245332349. The reversal of 245332340 is 43233542.

It can be written as a sum of positive squares in 2 ways, for example, as 170198116 + 75134224 = 13046^2 + 8668^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245332349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48269 + ... + 53108.

Almost surely, 2^245332340 is an apocalyptic number.

245332340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245332340 is an abundant number, since it is smaller than the sum of its proper divisors (320965168).

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

245332340 is a wasteful number, since it uses less digits than its factorization.

245332340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101408 (or 101395 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 245332340 is about 15663.0884566231. The cubic root of 245332340 is about 626.0152799708.

Adding to 245332340 its reverse (43233542), we get a palindrome (288565882).

The spelling of 245332340 in words is "two hundred forty-five million, three hundred thirty-two thousand, three hundred forty".