245395994 has 4 divisors (see below), whose sum is σ = 368093994. Its totient is φ = 122697996.

The previous prime is 245395991. The next prime is 245396017. The reversal of 245395994 is 499593542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 245079025 + 316969 = 15655^2 + 563^2 .

It is not an unprimeable number, because it can be changed into a prime (245395991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61348997 + ... + 61349000.

Almost surely, 2^245395994 is an apocalyptic number.

245395994 is a deficient number, since it is larger than the sum of its proper divisors (122698000).

245395994 is a wasteful number, since it uses less digits than its factorization.

245395994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122697999.

The product of its digits is 1749600, while the sum is 50.

The square root of 245395994 is about 15665.1202995700. The cubic root of 245395994 is about 626.0694173242.

The spelling of 245395994 in words is "two hundred forty-five million, three hundred ninety-five thousand, nine hundred ninety-four".