245542408 has 8 divisors (see below), whose sum is σ = 460392030. Its totient is φ = 122771200.

The previous prime is 245542387. The next prime is 245542417. The reversal of 245542408 is 804245542.

245542408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 216619524 + 28922884 = 14718^2 + 5378^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15346393 + ... + 15346408.

Almost surely, 2^245542408 is an apocalyptic number.

It is an amenable number.

245542408 is a deficient number, since it is larger than the sum of its proper divisors (214849622).

245542408 is a wasteful number, since it uses less digits than its factorization.

245542408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30692807 (or 30692803 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

The square root of 245542408 is about 15669.7928512154. The cubic root of 245542408 is about 626.1939060491.

It can be divided in two parts, 24554 and 2408, that added together give a palindrome (26962).

The spelling of 245542408 in words is "two hundred forty-five million, five hundred forty-two thousand, four hundred eight".