245444954 has 4 divisors (see below), whose sum is σ = 368167434. Its totient is φ = 122722476.

The previous prime is 245444933. The next prime is 245444957. The reversal of 245444954 is 459444542.

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., 241336225 + 4108729 = 15535^2 + 2027^2 .

It is not an unprimeable number, because it can be changed into a prime (245444957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61361237 + ... + 61361240.

Almost surely, 2^245444954 is an apocalyptic number.

245444954 is a deficient number, since it is larger than the sum of its proper divisors (122722480).

245444954 is a wasteful number, since it uses less digits than its factorization.

245444954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122722479.

The product of its digits is 460800, while the sum is 41.

The square root of 245444954 is about 15666.6829290696. The cubic root of 245444954 is about 626.1110511475. Note that the first 3 decimals are identical.

The spelling of 245444954 in words is "two hundred forty-five million, four hundred forty-four thousand, nine hundred fifty-four".