245445202 has 4 divisors (see below), whose sum is σ = 368167806. Its totient is φ = 122722600.

The previous prime is 245445191. The next prime is 245445203. The reversal of 245445202 is 202544542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202544542 = 2 ⋅101272271.

It can be written as a sum of positive squares in only one way, i.e., 244953801 + 491401 = 15651^2 + 701^2 .

It is not an unprimeable number, because it can be changed into a prime (245445203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61361299 + ... + 61361302.

Almost surely, 2^245445202 is an apocalyptic number.

245445202 is a deficient number, since it is larger than the sum of its proper divisors (122722604).

245445202 is a wasteful number, since it uses less digits than its factorization.

245445202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122722603.

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

The square root of 245445202 is about 15666.6908439530. The cubic root of 245445202 is about 626.1112620237. Note that the first 3 decimals are identical.

Adding to 245445202 its reverse (202544542), we get a palindrome (447989744).

The spelling of 245445202 in words is "two hundred forty-five million, four hundred forty-five thousand, two hundred two".