245473488 has 60 divisors (see below), whose sum is σ = 739835460. Its totient is φ = 75529728.

The previous prime is 245473447. The next prime is 245473493. The reversal of 245473488 is 884374542.

It is a happy number.

245473488 is a `hidden beast` number, since 24 + 547 + 3 + 4 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 113039424 + 132434064 = 10632^2 + 11508^2 .

It is a super-2 number, since 2×245473488² = 120514466621772288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63693 + ... + 67436.

It is an arithmetic number, because the mean of its divisors is an integer number (12330591).

Almost surely, 2^245473488 is an apocalyptic number.

It is an amenable number.

245473488 is an abundant number, since it is smaller than the sum of its proper divisors (494361972).

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

245473488 is a wasteful number, since it uses less digits than its factorization.

245473488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131156 (or 131147 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 245473488 is about 15667.5935612333. The cubic root of 245473488 is about 626.1353128814.

The spelling of 245473488 in words is "two hundred forty-five million, four hundred seventy-three thousand, four hundred eighty-eight".