1004500245 has 24 divisors (see below), whose sum is σ = 1869601824. Its totient is φ = 459199776.

The previous prime is 1004500241. The next prime is 1004500249. The reversal of 1004500245 is 5420054001.

It is an interprime number because it is at equal distance from previous prime (1004500241) and next prime (1004500249).

It is not a de Polignac number, because 1004500245 - 2² = 1004500241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004500241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 682599 + ... + 684068.

It is an arithmetic number, because the mean of its divisors is an integer number (77900076).

Almost surely, 2^1004500245 is an apocalyptic number.

1004500245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1004500245 is a deficient number, since it is larger than the sum of its proper divisors (865101579).

1004500245 is a wasteful number, since it uses less digits than its factorization.

1004500245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366689 (or 1366682 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1004500245 is about 31693.8518485841. The cubic root of 1004500245 is about 1001.4978370308.

Adding to 1004500245 its reverse (5420054001), we get a palindrome (6424554246).

The spelling of 1004500245 in words is "one billion, four million, five hundred thousand, two hundred forty-five".