245054540 has 24 divisors (see below), whose sum is σ = 527167872. Its totient is φ = 95630720.

The previous prime is 245054539. The next prime is 245054561. The reversal of 245054540 is 45450542.

It is a super-2 number, since 2×245054540² = 120103455149223200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148604 + ... + 150243.

It is an arithmetic number, because the mean of its divisors is an integer number (21965328).

Almost surely, 2^245054540 is an apocalyptic number.

245054540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245054540 is an abundant number, since it is smaller than the sum of its proper divisors (282113332).

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

245054540 is a wasteful number, since it uses less digits than its factorization.

245054540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298897 (or 298895 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 245054540 is about 15654.2179619424. The cubic root of 245054540 is about 625.7789030262.

The spelling of 245054540 in words is "two hundred forty-five million, fifty-four thousand, five hundred forty".