245681342 has 16 divisors (see below), whose sum is σ = 370834800. Its totient is φ = 122072832.

The previous prime is 245681339. The next prime is 245681351. The reversal of 245681342 is 243186542.

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, 364718 + ... + 365390.

It is an arithmetic number, because the mean of its divisors is an integer number (23177175).

Almost surely, 2^245681342 is an apocalyptic number.

245681342 is a deficient number, since it is larger than the sum of its proper divisors (125153458).

245681342 is a wasteful number, since it uses less digits than its factorization.

245681342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547.

The product of its digits is 46080, while the sum is 35.

The square root of 245681342 is about 15674.2254035088. The cubic root of 245681342 is about 626.3119891414.

The spelling of 245681342 in words is "two hundred forty-five million, six hundred eighty-one thousand, three hundred forty-two".