451789057 has 4 divisors (see below), whose sum is σ = 467368020. Its totient is φ = 436210096.

The previous prime is 451789031. The next prime is 451789073. The reversal of 451789057 is 750987154.

It is a happy number.

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 374770881 + 77018176 = 19359^2 + 8776^2 .

It is a cyclic number.

It is not a de Polignac number, because 451789057 - 2¹⁵ = 451756289 is a prime.

It is a super-2 number, since 2×451789057² = 408226704049898498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451788998 and 451789016.

It is not an unprimeable number, because it can be changed into a prime (451789007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7789438 + ... + 7789495.

It is an arithmetic number, because the mean of its divisors is an integer number (116842005).

Almost surely, 2^451789057 is an apocalyptic number.

It is an amenable number.

451789057 is a deficient number, since it is larger than the sum of its proper divisors (15578963).

451789057 is a wasteful number, since it uses less digits than its factorization.

451789057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15578962.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 451789057 is about 21255.3300844753. The cubic root of 451789057 is about 767.3236238067.

The spelling of 451789057 in words is "four hundred fifty-one million, seven hundred eighty-nine thousand, fifty-seven".