1451242663 has 8 divisors (see below), whose sum is σ = 1567071968. Its totient is φ = 1336012704.

The previous prime is 1451242613. The next prime is 1451242673. The reversal of 1451242663 is 3662421541.

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

It is a de Polignac number, because none of the positive numbers 2^k-1451242663 is a prime.

It is a super-2 number, since 2×1451242663² = 4212210533822663138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451242613) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 144795 + ... + 154492.

It is an arithmetic number, because the mean of its divisors is an integer number (195883996).

Almost surely, 2^1451242663 is an apocalyptic number.

1451242663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1451242663 is a deficient number, since it is larger than the sum of its proper divisors (115829305).

1451242663 is a wasteful number, since it uses less digits than its factorization.

1451242663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299673.

The product of its digits is 34560, while the sum is 34.

The square root of 1451242663 is about 38095.1789994482. The cubic root of 1451242663 is about 1132.1744391806.

It can be divided in two parts, 14512 and 42663, that added together give a palindrome (57175).

The spelling of 1451242663 in words is "one billion, four hundred fifty-one million, two hundred forty-two thousand, six hundred sixty-three".