1453203049 has 8 divisors (see below), whose sum is σ = 1544834880. Its totient is φ = 1363086000.

The previous prime is 1453203047. The next prime is 1453203053. The reversal of 1453203049 is 9403023541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1453203049 - 2¹ = 1453203047 is a prime.

It is a super-2 number, since 2×1453203049² = 4223598203245792802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1453203049.

It is not an unprimeable number, because it can be changed into a prime (1453203041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 376717 + ... + 380554.

It is an arithmetic number, because the mean of its divisors is an integer number (193104360).

Almost surely, 2^1453203049 is an apocalyptic number.

1453203049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1453203049 is a deficient number, since it is larger than the sum of its proper divisors (91631831).

1453203049 is a wasteful number, since it uses less digits than its factorization.

1453203049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757391.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1453203049 is about 38120.9004222093. The cubic root of 1453203049 is about 1132.6840025444.

The spelling of 1453203049 in words is "one billion, four hundred fifty-three million, two hundred three thousand, forty-nine".