245507734 has 8 divisors (see below), whose sum is σ = 368456400. Its totient is φ = 122688936.

The previous prime is 245507723. The next prime is 245507741. The reversal of 245507734 is 437705542.

It is a happy number.

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 = 245507693 and 245507702.

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 in 3 ways as a sum of consecutive naturals, for example, 27594 + ... + 35389.

It is an arithmetic number, because the mean of its divisors is an integer number (46057050).

Almost surely, 2^245507734 is an apocalyptic number.

245507734 is a deficient number, since it is larger than the sum of its proper divisors (122948666).

245507734 is a wasteful number, since it uses less digits than its factorization.

245507734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64934.

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 245507734 is about 15668.6864159061. The cubic root of 245507734 is about 626.1644289013.

The spelling of 245507734 in words is "two hundred forty-five million, five hundred seven thousand, seven hundred thirty-four".