1453215520 has 96 divisors (see below), whose sum is σ = 3666539520. Its totient is φ = 543083520.

The previous prime is 1453215503. The next prime is 1453215541. The reversal of 1453215520 is 255123541.

It is a super-2 number, since 2×1453215520² = 4223670695137740800, which contains 22 as substring.

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, 138789 + ... + 148891.

It is an arithmetic number, because the mean of its divisors is an integer number (38193120).

Almost surely, 2^1453215520 is an apocalyptic number.

1453215520 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 1453215520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1833269760).

1453215520 is an abundant number, since it is smaller than the sum of its proper divisors (2213324000).

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

1453215520 is a wasteful number, since it uses less digits than its factorization.

1453215520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10178 (or 10170 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1453215520 is about 38121.0639935456. The cubic root of 1453215520 is about 1132.6872426655.

The spelling of 1453215520 in words is "one billion, four hundred fifty-three million, two hundred fifteen thousand, five hundred twenty".