1453354452 has 72 divisors (see below), whose sum is σ = 4182010560. Its totient is φ = 421259520.

The previous prime is 1453354423. The next prime is 1453354453. The reversal of 1453354452 is 2544533541.

1453354452 is a `hidden beast` number, since 14 + 53 + 3 + 544 + 52 = 666.

It is a super-2 number, since 2×1453354452² = 4224478326296440608, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453354453) 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, 70677 + ... + 88892.

It is an arithmetic number, because the mean of its divisors is an integer number (58083480).

Almost surely, 2^1453354452 is an apocalyptic number.

1453354452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1453354452 is an abundant number, since it is smaller than the sum of its proper divisors (2728656108).

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

1453354452 is a wasteful number, since it uses less digits than its factorization.

1453354452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159613 (or 159608 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 1453354452 is about 38122.8861971389. The cubic root of 1453354452 is about 1132.7233376762.

Adding to 1453354452 its reverse (2544533541), we get a palindrome (3997887993).

Subtracting 1453354452 from its reverse (2544533541), we obtain a square (1091179089 = 33033²).

The spelling of 1453354452 in words is "one billion, four hundred fifty-three million, three hundred fifty-four thousand, four hundred fifty-two".