1453054849 has 4 divisors (see below), whose sum is σ = 1529531440. Its totient is φ = 1376578260.

The previous prime is 1453054829. The next prime is 1453054903. The reversal of 1453054849 is 9484503541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1453054849 is a prime.

It is a super-2 number, since 2×1453054849² = 4222736788404825602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1453054829) 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 3 ways as a sum of consecutive naturals, for example, 38238267 + ... + 38238304.

It is an arithmetic number, because the mean of its divisors is an integer number (382382860).

Almost surely, 2^1453054849 is an apocalyptic number.

1453054849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1453054849 is a deficient number, since it is larger than the sum of its proper divisors (76476591).

1453054849 is an equidigital number, since it uses as much as digits as its factorization.

1453054849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76476590.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 1453054849 is about 38118.9565570728. The cubic root of 1453054849 is about 1132.6454969192.

The spelling of 1453054849 in words is "one billion, four hundred fifty-three million, fifty-four thousand, eight hundred forty-nine".