245539026 has 40 divisors (see below), whose sum is σ = 551261964. Its totient is φ = 81686880.

The previous prime is 245539009. The next prime is 245539057. The reversal of 245539026 is 620935542.

245539026 is a `hidden beast` number, since 245 + 5 + 390 + 26 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 244953801 + 585225 = 15651^2 + 765^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 105936 + ... + 108228.

Almost surely, 2^245539026 is an apocalyptic number.

245539026 is an abundant number, since it is smaller than the sum of its proper divisors (305722938).

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

245539026 is a wasteful number, since it uses less digits than its factorization.

245539026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968 (or 2959 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 245539026 is about 15669.6849362072. The cubic root of 245539026 is about 626.1910310570.

The spelling of 245539026 in words is "two hundred forty-five million, five hundred thirty-nine thousand, twenty-six".