1453031643 has 12 divisors (see below), whose sum is σ = 2253681960. Its totient is φ = 830303712.

The previous prime is 1453031603. The next prime is 1453031653. The reversal of 1453031643 is 3461303541.

It is not a de Polignac number, because 1453031643 - 2⁸ = 1453031387 is a prime.

It is a super-2 number, since 2×1453031643² = 4222601911118558898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453031643.

It is not an unprimeable number, because it can be changed into a prime (1453031603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4942138 + ... + 4942431.

It is an arithmetic number, because the mean of its divisors is an integer number (187806830).

Almost surely, 2^1453031643 is an apocalyptic number.

1453031643 is a deficient number, since it is larger than the sum of its proper divisors (800650317).

1453031643 is an equidigital number, since it uses as much as digits as its factorization.

1453031643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9884586 (or 9884579 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1453031643 is about 38118.6521666231. The cubic root of 1453031643 is about 1132.6394672520.

The spelling of 1453031643 in words is "one billion, four hundred fifty-three million, thirty-one thousand, six hundred forty-three".