1453543040 has 32 divisors (see below), whose sum is σ = 3474877860. Its totient is φ = 581416960.

The previous prime is 1453543033. The next prime is 1453543079. The reversal of 1453543040 is 403453541.

It can be written as a sum of positive squares in 2 ways, for example, as 1267929664 + 185613376 = 35608^2 + 13624^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1453543040² = 4225574738264883200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453542994 and 1453543012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134941 + ... + 1136220.

Almost surely, 2^1453543040 is an apocalyptic number.

1453543040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1453543040 is an abundant number, since it is smaller than the sum of its proper divisors (2021334820).

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

1453543040 is an equidigital number, since it uses as much as digits as its factorization.

1453543040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271180 (or 2271168 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1453543040 is about 38125.3595392883. The cubic root of 1453543040 is about 1132.7723298060.

Adding to 1453543040 its reverse (403453541), we get a palindrome (1856996581).

It can be divided in two parts, 14535 and 43040, that added together give a palindrome (57575).

The spelling of 1453543040 in words is "one billion, four hundred fifty-three million, five hundred forty-three thousand, forty".