245026540 has 48 divisors (see below), whose sum is σ = 562464000. Its totient is φ = 88921280.

The previous prime is 245026531. The next prime is 245026553. The reversal of 245026540 is 45620542.

It is a junction number, because it is equal to n+sod(n) for n = 245026499 and 245026508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162711 + ... + 164209.

It is an arithmetic number, because the mean of its divisors is an integer number (11718000).

Almost surely, 2^245026540 is an apocalyptic number.

245026540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245026540 is an abundant number, since it is smaller than the sum of its proper divisors (317437460).

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

245026540 is a wasteful number, since it uses less digits than its factorization.

245026540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 245026540 is about 15653.3236087420. The cubic root of 245026540 is about 625.7550682278.

It can be divided in two parts, 24 and 5026540, that added together give a square (5026564 = 2242²).

The spelling of 245026540 in words is "two hundred forty-five million, twenty-six thousand, five hundred forty".