1046457457 has 4 divisors (see below), whose sum is σ = 1108013796. Its totient is φ = 984901120.

The previous prime is 1046457413. The next prime is 1046457481. The reversal of 1046457457 is 7547546401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 734193216 + 312264241 = 27096^2 + 17671^2 .

It is not a de Polignac number, because 1046457457 - 2⁷ = 1046457329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1046457487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30778144 + ... + 30778177.

It is an arithmetic number, because the mean of its divisors is an integer number (277003449).

Almost surely, 2^1046457457 is an apocalyptic number.

1046457457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1046457457 is a deficient number, since it is larger than the sum of its proper divisors (61556339).

1046457457 is an equidigital number, since it uses as much as digits as its factorization.

1046457457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61556338.

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 1046457457 is about 32348.9946829882. The cubic root of 1046457457 is about 1015.2520124553.

The spelling of 1046457457 in words is "one billion, forty-six million, four hundred fifty-seven thousand, four hundred fifty-seven".