245142616 has 8 divisors (see below), whose sum is σ = 459642420. Its totient is φ = 122571304.

The previous prime is 245142607. The next prime is 245142629. The reversal of 245142616 is 616241542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 15321406 + ... + 15321421.

Almost surely, 2^245142616 is an apocalyptic number.

It is an amenable number.

245142616 is a deficient number, since it is larger than the sum of its proper divisors (214499804).

245142616 is a wasteful number, since it uses less digits than its factorization.

245142616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30642833 (or 30642829 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 245142616 is about 15657.0308807258. The cubic root of 245142616 is about 625.8538652514.

The spelling of 245142616 in words is "two hundred forty-five million, one hundred forty-two thousand, six hundred sixteen".