245332445 has 8 divisors (see below), whose sum is σ = 294517944. Its totient is φ = 196186624.

The previous prime is 245332429. The next prime is 245332463. The reversal of 245332445 is 544233542.

It can be written as a sum of positive squares in 4 ways, for example, as 128164 + 245204281 = 358^2 + 15659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245332445 - 2⁴ = 245332429 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 6017 + ... + 22953.

It is an arithmetic number, because the mean of its divisors is an integer number (36814743).

Almost surely, 2^245332445 is an apocalyptic number.

It is an amenable number.

245332445 is a deficient number, since it is larger than the sum of its proper divisors (49185499).

245332445 is a wasteful number, since it uses less digits than its factorization.

245332445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19839.

The product of its digits is 57600, while the sum is 32.

The square root of 245332445 is about 15663.0918084521. The cubic root of 245332445 is about 626.0153692804.

Adding to 245332445 its reverse (544233542), we get a palindrome (789565987).

The spelling of 245332445 in words is "two hundred forty-five million, three hundred thirty-two thousand, four hundred forty-five".