245444538 has 32 divisors (see below), whose sum is σ = 520482240. Its totient is φ = 76896000.

The previous prime is 245444533. The next prime is 245444539. The reversal of 245444538 is 835444542.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 245444496 and 245444505.

It is not an unprimeable number, because it can be changed into a prime (245444531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107913 + ... + 110163.

It is an arithmetic number, because the mean of its divisors is an integer number (16265070).

Almost surely, 2^245444538 is an apocalyptic number.

245444538 is an abundant number, since it is smaller than the sum of its proper divisors (275037702).

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

245444538 is a wasteful number, since it uses less digits than its factorization.

245444538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342.

The product of its digits is 307200, while the sum is 39.

The square root of 245444538 is about 15666.6696524820. The cubic root of 245444538 is about 626.1106974194.

The spelling of 245444538 in words is "two hundred forty-five million, four hundred forty-four thousand, five hundred thirty-eight".