1453243120 has 160 divisors (see below), whose sum is σ = 4122593280. Its totient is φ = 465315840.

The previous prime is 1453243111. The next prime is 1453243153. The reversal of 1453243120 is 213423541.

It is a super-2 number, since 2×1453243120² = 4223831131654668800, which contains 22 as substring.

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, 775785 + ... + 777655.

It is an arithmetic number, because the mean of its divisors is an integer number (25766208).

Almost surely, 2^1453243120 is an apocalyptic number.

1453243120 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 1453243120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2061296640).

1453243120 is an abundant number, since it is smaller than the sum of its proper divisors (2669350160).

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

1453243120 is a wasteful number, since it uses less digits than its factorization.

1453243120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983 (or 1977 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1453243120 is about 38121.4259964131. The cubic root of 1453243120 is about 1132.6944134234.

Adding to 1453243120 its reverse (213423541), we get a palindrome (1666666661).

The spelling of 1453243120 in words is "one billion, four hundred fifty-three million, two hundred forty-three thousand, one hundred twenty".