1451452520 has 192 divisors, whose sum is σ = 4065914880. Its totient is φ = 464679936.

The previous prime is 1451452511. The next prime is 1451452529. The reversal of 1451452520 is 252541541.

It is an interprime number because it is at equal distance from previous prime (1451452511) and next prime (1451452529).

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451452529) 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 47 ways as a sum of consecutive naturals, for example, 11428697 + ... + 11428823.

It is an arithmetic number, because the mean of its divisors is an integer number (21176640).

Almost surely, 2^1451452520 is an apocalyptic number.

1451452520 is a gapful number since it is divisible by the number (10) 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 1451452520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032957440).

1451452520 is an abundant number, since it is smaller than the sum of its proper divisors (2614462360).

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

1451452520 is an equidigital number, since it uses as much as digits as its factorization.

1451452520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1451452520 is about 38097.9332772790. The cubic root of 1451452520 is about 1132.2290092595.

The spelling of 1451452520 in words is "one billion, four hundred fifty-one million, four hundred fifty-two thousand, five hundred twenty".