245445004 has 24 divisors (see below), whose sum is σ = 492940448. Its totient is φ = 104751360.

The previous prime is 245444999. The next prime is 245445007. The reversal of 245445004 is 400544542.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (245445007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11439 + ... + 24934.

Almost surely, 2^245445004 is an apocalyptic number.

It is an amenable number.

245445004 is an abundant number, since it is smaller than the sum of its proper divisors (247495444).

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

245445004 is a wasteful number, since it uses less digits than its factorization.

245445004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36625 (or 36623 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 245445004 is about 15666.6845248125. The cubic root of 245445004 is about 626.1110936629. Note that the first 3 decimals are identical.

Adding to 245445004 its reverse (400544542), we get a palindrome (645989546).

The spelling of 245445004 in words is "two hundred forty-five million, four hundred forty-five thousand, four".