1451342656 has 28 divisors (see below), whose sum is σ = 2889133668. Its totient is φ = 723372032.

The previous prime is 1451342653. The next prime is 1451342681. The reversal of 1451342656 is 6562431541.

It can be written as a sum of positive squares in 2 ways, for example, as 281702656 + 1169640000 = 16784^2 + 34200^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451342653) 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 3 ways as a sum of consecutive naturals, for example, 15481 + ... + 56056.

Almost surely, 2^1451342656 is an apocalyptic number.

1451342656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1451342656 is a deficient number, since it is larger than the sum of its proper divisors (1437791012).

1451342656 is an equidigital number, since it uses as much as digits as its factorization.

1451342656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71866 (or 71856 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 1451342656 is about 38096.4913870031. The cubic root of 1451342656 is about 1132.2004414754.

The spelling of 1451342656 in words is "one billion, four hundred fifty-one million, three hundred forty-two thousand, six hundred fifty-six".