245474472 has 32 divisors (see below), whose sum is σ = 622097280. Its totient is φ = 80703360.

The previous prime is 245474447. The next prime is 245474491. The reversal of 245474472 is 274474542.

It is a self number, because there is not a number n which added to its sum of digits gives 245474472.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68304 + ... + 71807.

It is an arithmetic number, because the mean of its divisors is an integer number (19440540).

Almost surely, 2^245474472 is an apocalyptic number.

It is an amenable number.

245474472 is an abundant number, since it is smaller than the sum of its proper divisors (376622808).

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

245474472 is a wasteful number, since it uses less digits than its factorization.

245474472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140193 (or 140189 counting only the distinct ones).

The product of its digits is 250880, while the sum is 39.

The square root of 245474472 is about 15667.6249635993. The cubic root of 245474472 is about 626.1361495180.

The spelling of 245474472 in words is "two hundred forty-five million, four hundred seventy-four thousand, four hundred seventy-two".