1453804128 has 144 divisors (see below), whose sum is σ = 4821616800. Its totient is φ = 415344384.

The previous prime is 1453804103. The next prime is 1453804129. The reversal of 1453804128 is 8214083541.

1453804128 is a `hidden beast` number, since 1 + 453 + 80 + 4 + 128 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1453804128² = 4227092885179680768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1453804092 and 1453804101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453804129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91426 + ... + 106142.

It is an arithmetic number, because the mean of its divisors is an integer number (33483450).

Almost surely, 2^1453804128 is an apocalyptic number.

1453804128 is a gapful number since it is divisible by the number (18) 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 1453804128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2410808400).

1453804128 is an abundant number, since it is smaller than the sum of its proper divisors (3367812672).

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

1453804128 is a wasteful number, since it uses less digits than its factorization.

1453804128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14754 (or 14729 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1453804128 is about 38128.7834581698. The cubic root of 1453804128 is about 1132.8401492760.

Adding to 1453804128 its reverse (8214083541), we get a palindrome (9667887669).

The spelling of 1453804128 in words is "one billion, four hundred fifty-three million, eight hundred four thousand, one hundred twenty-eight".