1002245451 has 16 divisors (see below), whose sum is σ = 1371955200. Its totient is φ = 650422080.

The previous prime is 1002245441. The next prime is 1002245471. The reversal of 1002245451 is 1545422001.

It is not a de Polignac number, because 1002245451 - 2⁹ = 1002244939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002245441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48150 + ... + 65748.

It is an arithmetic number, because the mean of its divisors is an integer number (85747200).

Almost surely, 2^1002245451 is an apocalyptic number.

1002245451 is a deficient number, since it is larger than the sum of its proper divisors (369709749).

1002245451 is a wasteful number, since it uses less digits than its factorization.

1002245451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18106.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1002245451 is about 31658.2603912470. The cubic root of 1002245451 is about 1000.7479241367.

Adding to 1002245451 its reverse (1545422001), we get a palindrome (2547667452).

The spelling of 1002245451 in words is "one billion, two million, two hundred forty-five thousand, four hundred fifty-one".