1450345520 has 80 divisors (see below), whose sum is σ = 3650391360. Its totient is φ = 532718592.

The previous prime is 1450345489. The next prime is 1450345537. The reversal of 1450345520 is 255430541.

It is a tau number, because it is divible by the number of its divisors (80).

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, 201341 + ... + 208419.

It is an arithmetic number, because the mean of its divisors is an integer number (45629892).

Almost surely, 2^1450345520 is an apocalyptic number.

1450345520 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 1450345520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1825195680).

1450345520 is an abundant number, since it is smaller than the sum of its proper divisors (2200045840).

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

1450345520 is a wasteful number, since it uses less digits than its factorization.

1450345520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7302 (or 7296 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1450345520 is about 38083.4021589458. The cubic root of 1450345520 is about 1131.9410916333.

The spelling of 1450345520 in words is "one billion, four hundred fifty million, three hundred forty-five thousand, five hundred twenty".