1453748280 has 128 divisors (see below), whose sum is σ = 4444830720. Its totient is φ = 380298240.

The previous prime is 1453748267. The next prime is 1453748297. The reversal of 1453748280 is 828473541.

It is a super-3 number, since 3×1453748280³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2303565 + ... + 2304195.

It is an arithmetic number, because the mean of its divisors is an integer number (34725240).

Almost surely, 2^1453748280 is an apocalyptic number.

1453748280 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 1453748280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2222415360).

1453748280 is an abundant number, since it is smaller than the sum of its proper divisors (2991082440).

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

1453748280 is a wasteful number, since it uses less digits than its factorization.

1453748280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 1453748280 is about 38128.0510910275. The cubic root of 1453748280 is about 1132.8256430424.

The spelling of 1453748280 in words is "one billion, four hundred fifty-three million, seven hundred forty-eight thousand, two hundred eighty".