245729438 has 16 divisors (see below), whose sum is σ = 374937984. Its totient is φ = 120760920.

The previous prime is 245729437. The next prime is 245729479. The reversal of 245729438 is 834927542.

245729438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46781 + ... + 51767.

It is an arithmetic number, because the mean of its divisors is an integer number (23433624).

Almost surely, 2^245729438 is an apocalyptic number.

245729438 is a deficient number, since it is larger than the sum of its proper divisors (129208546).

245729438 is a wasteful number, since it uses less digits than its factorization.

245729438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407.

The product of its digits is 483840, while the sum is 44.

The square root of 245729438 is about 15675.7595669237. The cubic root of 245729438 is about 626.3528566268.

The spelling of 245729438 in words is "two hundred forty-five million, seven hundred twenty-nine thousand, four hundred thirty-eight".