245339144 has 16 divisors (see below), whose sum is σ = 460827900. Its totient is φ = 122451712.

The previous prime is 245339117. The next prime is 245339147. The reversal of 245339144 is 441933542.

It can be written as a sum of positive squares in 2 ways, for example, as 244547044 + 792100 = 15638^2 + 890^2 .

It is not an unprimeable number, because it can be changed into a prime (245339147) 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 in 3 ways as a sum of consecutive naturals, for example, 22397 + ... + 31500.

Almost surely, 2^245339144 is an apocalyptic number.

It is an amenable number.

245339144 is a deficient number, since it is larger than the sum of its proper divisors (215488756).

245339144 is a wasteful number, since it uses less digits than its factorization.

245339144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54472 (or 54468 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 245339144 is about 15663.3056536607. The cubic root of 245339144 is about 626.0210671798.

The spelling of 245339144 in words is "two hundred forty-five million, three hundred thirty-nine thousand, one hundred forty-four".