1000245744 has 120 divisors (see below), whose sum is σ = 2845463712. Its totient is φ = 327974400.

The previous prime is 1000245707. The next prime is 1000245769. The reversal of 1000245744 is 4475420001.

It is a super-2 number, since 2×1000245744² = 2000983096780227072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3413662 + ... + 3413954.

Almost surely, 2^1000245744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000245744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422731856).

1000245744 is an abundant number, since it is smaller than the sum of its proper divisors (1845217968).

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

1000245744 is a wasteful number, since it uses less digits than its factorization.

1000245744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 1000245744 is about 31626.6619168068. The cubic root of 1000245744 is about 1000.0819079576.

Adding to 1000245744 its reverse (4475420001), we get a palindrome (5475665745).

The spelling of 1000245744 in words is "one billion, two hundred forty-five thousand, seven hundred forty-four".