1451757056 has 160 divisors (see below), whose sum is σ = 3214937088. Its totient is φ = 652861440.

The previous prime is 1451757029. The next prime is 1451757089. The reversal of 1451757056 is 6507571541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23799266 + ... + 23799326.

Almost surely, 2^1451757056 is an apocalyptic number.

1451757056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451757056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607468544).

1451757056 is an abundant number, since it is smaller than the sum of its proper divisors (1763180032).

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

1451757056 is an equidigital number, since it uses as much as digits as its factorization.

1451757056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 41.

The square root of 1451757056 is about 38101.9298198923. The cubic root of 1451757056 is about 1132.3081897991.

The spelling of 1451757056 in words is "one billion, four hundred fifty-one million, seven hundred fifty-seven thousand, fifty-six".