745208225 has 24 divisors (see below), whose sum is σ = 956605440. Its totient is φ = 575280000.

The previous prime is 745208221. The next prime is 745208239. The reversal of 745208225 is 522802547.

It is not a de Polignac number, because 745208225 - 2² = 745208221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745208221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315800 + ... + 318150.

It is an arithmetic number, because the mean of its divisors is an integer number (39858560).

Almost surely, 2^745208225 is an apocalyptic number.

It is an amenable number.

745208225 is a deficient number, since it is larger than the sum of its proper divisors (211397215).

745208225 is a wasteful number, since it uses less digits than its factorization.

745208225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801 (or 2796 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 745208225 is about 27298.5022482919. The cubic root of 745208225 is about 906.6212202536.

The spelling of 745208225 in words is "seven hundred forty-five million, two hundred eight thousand, two hundred twenty-five".