245234540 has 24 divisors (see below), whose sum is σ = 517007232. Its totient is φ = 97710080.

The previous prime is 245234519. The next prime is 245234543. The reversal of 245234540 is 45432542.

It is not an unprimeable number, because it can be changed into a prime (245234543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18716 + ... + 28995.

It is an arithmetic number, because the mean of its divisors is an integer number (21541968).

Almost surely, 2^245234540 is an apocalyptic number.

245234540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245234540 is an abundant number, since it is smaller than the sum of its proper divisors (271772692).

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

245234540 is a wasteful number, since it uses less digits than its factorization.

245234540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47977 (or 47975 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 245234540 is about 15659.9661557744. The cubic root of 245234540 is about 625.9320833952.

The spelling of 245234540 in words is "two hundred forty-five million, two hundred thirty-four thousand, five hundred forty".