245552408 has 8 divisors (see below), whose sum is σ = 460410780. Its totient is φ = 122776200.

The previous prime is 245552401. The next prime is 245552431. The reversal of 245552408 is 804255542.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245552401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15347018 + ... + 15347033.

Almost surely, 2^245552408 is an apocalyptic number.

It is an amenable number.

245552408 is a deficient number, since it is larger than the sum of its proper divisors (214858372).

245552408 is a wasteful number, since it uses less digits than its factorization.

245552408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30694057 (or 30694053 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The square root of 245552408 is about 15670.1119332314. Note that the first 3 decimals coincide. The cubic root of 245552408 is about 626.2024067587.

The spelling of 245552408 in words is "two hundred forty-five million, five hundred fifty-two thousand, four hundred eight".