245439734 has 8 divisors (see below), whose sum is σ = 375992928. Its totient is φ = 120108760.

The previous prime is 245439713. The next prime is 245439737. The reversal of 245439734 is 437934542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 245439691 and 245439700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245439737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305437 + ... + 1305624.

It is an arithmetic number, because the mean of its divisors is an integer number (46999116).

Almost surely, 2^245439734 is an apocalyptic number.

245439734 is a deficient number, since it is larger than the sum of its proper divisors (130553194).

245439734 is a wasteful number, since it uses less digits than its factorization.

245439734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611110.

The product of its digits is 362880, while the sum is 41.

The square root of 245439734 is about 15666.5163326120. The cubic root of 245439734 is about 626.1066125109.

The spelling of 245439734 in words is "two hundred forty-five million, four hundred thirty-nine thousand, seven hundred thirty-four".