1453042656 has 72 divisors (see below), whose sum is σ = 4449954600. Its totient is φ = 447088896.

The previous prime is 1453042639. The next prime is 1453042681. The reversal of 1453042656 is 6562403541.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1453042656² = 4222665920311068672, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1453042656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190306 + ... + 197793.

It is an arithmetic number, because the mean of its divisors is an integer number (61804925).

Almost surely, 2^1453042656 is an apocalyptic number.

1453042656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1453042656 is an abundant number, since it is smaller than the sum of its proper divisors (2996911944).

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

1453042656 is a wasteful number, since it uses less digits than its factorization.

1453042656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388128 (or 388117 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1453042656 is about 38118.7966231884. The cubic root of 1453042656 is about 1132.6423287925.

The spelling of 1453042656 in words is "one billion, four hundred fifty-three million, forty-two thousand, six hundred fifty-six".