245642929 has 9 divisors (see below), whose sum is σ = 285875577. Its totient is φ = 210457044.

The previous prime is 245642927. The next prime is 245642933. The reversal of 245642929 is 929246542.

The square root of 245642929 is 15673.

It is a perfect power (a square), and thus also a powerful number.

245642929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245642929 - 2¹ = 245642927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245642923) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 108592 + ... + 110830.

It is an arithmetic number, because the mean of its divisors is an integer number (31763953).

Almost surely, 2^245642929 is an apocalyptic number.

245642929 is the 15673-rd square number.

245642929 is the 7837-th centered octagonal number.

It is an amenable number.

245642929 is a deficient number, since it is larger than the sum of its proper divisors (40232648).

245642929 is an frugal number, since it uses more digits than its factorization.

245642929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492 (or 2246 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The cubic root of 245642929 is about 626.2793455332.

The spelling of 245642929 in words is "two hundred forty-five million, six hundred forty-two thousand, nine hundred twenty-nine".