245729430 has 32 divisors (see below), whose sum is σ = 655279200. Its totient is φ = 65527776.

The previous prime is 245729423. The next prime is 245729437. The reversal of 245729430 is 34927542.

It is an interprime number because it is at equal distance from previous prime (245729423) and next prime (245729437).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245729437) 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 15 ways as a sum of consecutive naturals, for example, 454785 + ... + 455324.

It is an arithmetic number, because the mean of its divisors is an integer number (20477475).

Almost surely, 2^245729430 is an apocalyptic number.

245729430 is an abundant number, since it is smaller than the sum of its proper divisors (409549770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245729430 is a wasteful number, since it uses less digits than its factorization.

245729430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910125 (or 910119 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 245729430 is about 15675.7593117527. The cubic root of 245729430 is about 626.3528498296.

The spelling of 245729430 in words is "two hundred forty-five million, seven hundred twenty-nine thousand, four hundred thirty".